@charset "UTF-8";

/*
==============================================
  杉田建設 style.css
==============================================

  目次
  ─────────────────────────────
  1.  CSS変数・ベース設定
  2.  カスタムカーソル
  3.  ヘッダー / ナビゲーション
  4.  ドロワーメニュー（SP）
  5.  ヒーロー（FV）
  6.  セクション共通
  7.  About（TOP）
  8.  Service（TOP）
  9.  Works（TOP）
  10. Contact（TOP）
  11. フッター
  12. アニメーション・スクロール演出
  13. レスポンシブ（TOP）
  14. サブページ共通（ページヒーロー・パンくず）
  15. About ページ
  16. Service ページ
  17. Works ページ
  18. Contact ページ
  19. Privacy ページ
  20. レスポンシブ（サブページ）
  21. 【追記】各ページ ヒーロー背景画像
  ─────────────────────────────
*/

/* ============================================================
   1. CSS変数・ベース設定
   ============================================================ */

:root {
  --ink: #1a1612;
  --charcoal: #2d2926;
  --stone: #5c5650;
  --sand: #b8a98a;
  --cream: #f5f0e8;
  --paper: #faf7f2;
  --gold: #9a7c3c;
  --gold-lt: #c9a84c;
  --white: #ffffff;

  --ff-jp: "Noto Serif JP", serif;
  --ff-en: "Cormorant Garamond", serif;
  --ff-mincho: "Shippori Mincho", serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--ff-jp);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  /* cursor: none; */
}

/* ============================================================
   2. カスタムカーソル
   ============================================================ */

/* #cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 12px;
  height: 12px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.25s, height 0.25s, background 0.25s, border-color 0.25s;
  mix-blend-mode: multiply;
}

#cursor.is-hover {
  width: 36px;
  height: 36px;
  background: rgba(154, 124, 60, 0.12);
} */

/* ============================================================
   3. ヘッダー / ナビゲーション
   ============================================================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500; /* ← 100 から 160 に変更 */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  height: 80px;
  background: transparent;
  transition: background 0.5s, box-shadow 0.5s;
}

header.is-scrolled {
  background: rgba(250, 247, 242, 0.96);
  box-shadow: 0 1px 0 rgba(154, 124, 60, 0.2);
  backdrop-filter: blur(8px);
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  color: var(--white);
  transition: color 0.4s;
  max-width: none;
  white-space: nowrap;
}

header.is-scrolled .logo {
  color: var(--ink);
}

.logo-jp {
  display: block;
  font-family: var(--ff-mincho);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.logo-en {
  display: block;
  font-family: var(--ff-en);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 4px;
  white-space: nowrap;
}

.pc-nav {
  display: flex;
  gap: 48px;
  align-items: center;
}

.pc-nav a {
  font-family: var(--ff-en);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  transition: color 0.3s;
}

header.is-scrolled .pc-nav a {
  color: var(--stone);
}

.pc-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.35s;
}

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

.pc-nav a:hover {
  color: var(--gold-lt) !important;
}

.nav-contact {
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
  padding: 8px 22px !important;
  color: rgba(255, 255, 255, 0.9) !important;
  transition: background 0.3s, border-color 0.3s, color 0.3s !important;
}

header.is-scrolled .nav-contact {
  border-color: var(--gold) !important;
  color: var(--gold) !important;
}

.nav-contact:hover {
  background: var(--gold) !important;
  border-color: var(--gold) !important;
  color: var(--white) !important;
}

.nav-contact::after {
  display: none !important;
}

.drawer-button {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  padding: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 400;
  position: relative;
}

.drawer-button span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--white);
  transition: transform 0.35s, opacity 0.35s, background 0.4s;
  transform-origin: center;
}

header.is-scrolled .drawer-button span {
  background: var(--ink);
}

.drawer-button.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.drawer-button.is-open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.drawer-button.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.drawer-button.is-open span {
  background: var(--white) !important;
}
/* ============================================================
   4. ドロワーメニュー（SP）
   ============================================================ */
.drawer-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 300;
  width: 280px;
  height: 100%;
  background: var(--ink);
  padding: 100px 40px 40px;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  overflow-y: auto;
}

.drawer-nav.is-open {
  transform: translateX(0);
}

/* ← is-checked から is-open に変更 */
.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.drawer-nav a {
  font-family: var(--ff-en);
  font-size: 1.2rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s;
}

.drawer-nav a:hover {
  color: var(--gold-lt);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.drawer-overlay.is-checked {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   5. ヒーロー（FV）
   ============================================================ */

#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  transform-origin: center;
  animation: hero-zoom 18s ease-out forwards;
}

@keyframes hero-zoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

.hero-lines {
  position: absolute;
  top: 0;
  right: 120px;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(154, 124, 60, 0.5) 30%,
    rgba(154, 124, 60, 0.5) 70%,
    transparent
  );
  opacity: 0;
  animation: fade-in 0.8s 1.2s forwards;
}

.hero-lines::before {
  content: "";
  position: absolute;
  top: 0;
  left: -30px;
  width: 1px;
  height: 100%;
  background: inherit;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 80px 100px;
  opacity: 0;
  animation: hero-reveal 1.2s 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes hero-reveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tag {
  font-family: var(--ff-en);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-tag::before {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold-lt);
}

.hero-title {
  font-family: var(--ff-mincho);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.hero-title span {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.5em;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 12px;
  font-style: italic;
}

.hero-desc {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.75);
  max-width: 460px;
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--white);
  padding: 18px 42px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
}

.hero-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-cta:hover::before {
  transform: scaleX(1);
}

.hero-cta span {
  position: relative;
  z-index: 1;
}

.hero-cta-arrow {
  font-size: 1.1rem;
  transition: transform 0.3s;
}

.hero-cta:hover .hero-cta-arrow {
  transform: translateX(6px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--ff-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    opacity: 0.4;
    transform: scaleY(1) translateY(0);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.1) translateY(4px);
  }
}

/* ============================================================
   6. セクション共通
   ============================================================ */

section {
  padding: 120px 0;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--ff-en);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.section-label::after {
  content: "";
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.section-title {
  font-family: var(--ff-mincho);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.section-title-en {
  font-family: var(--ff-en);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  color: rgba(26, 22, 18, 0.06);
  letter-spacing: 0.1em;
  display: block;
  line-height: 0.9;
  margin-bottom: 8px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--sand);
  padding-bottom: 6px;
  transition: border-color 0.3s, gap 0.3s;
  margin-top: 32px;
}

.text-link:hover {
  gap: 18px;
  border-color: var(--gold);
}

/* ============================================================
   7. About（TOP）
   ============================================================ */

#about {
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.about-image-wrap::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  border: 1px solid var(--sand);
  z-index: -1;
}

.about-image-wrap::after {
  content: "Since 1990";
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--gold);
  color: var(--white);
  font-family: var(--ff-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  padding: 14px 24px;
}

.about-body {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin: 28px 0 40px;
}

.about-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid var(--sand);
  padding-top: 32px;
}

.stat-num {
  font-family: var(--ff-en);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.stat-num sup {
  font-size: 1rem;
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--stone);
  margin-top: 6px;
}

/* ============================================================
   8. Service（TOP）
   ============================================================ */

#service {
  background: var(--paper);
}

.service-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  aspect-ratio: 3 / 4;
  cursor: pointer;
}

.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: opacity 0.6s, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover img {
  opacity: 0.35;
  transform: scale(1.06);
}

.service-card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px 32px;
}

.service-num {
  font-family: var(--ff-en);
  font-size: 4rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
  margin-bottom: auto;
}

.service-icon {
  width: 44px;
  height: 1px;
  background: var(--gold-lt);
  margin-bottom: 20px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s 0.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover .service-icon {
  transform: scaleX(1);
}

.service-name-en {
  font-family: var(--ff-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 8px;
}

.service-name-jp {
  font-family: var(--ff-mincho);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.service-desc {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover .service-desc {
  max-height: 120px;
}

/* ============================================================
   9. Works（TOP）
   ============================================================ */

#works {
  background: var(--ink);
}

#works .section-label {
  color: var(--gold-lt);
}

#works .section-title {
  color: var(--white);
}

#works .section-title-en {
  color: rgba(255, 255, 255, 0.05);
}

.works-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
}

.works-more-link {
  font-family: var(--ff-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  border-bottom: 1px solid rgba(154, 124, 60, 0.3);
  padding-bottom: 4px;
  transition: border-color 0.3s;
}

.works-more-link:hover {
  border-color: var(--gold-lt);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 300px 300px;
  gap: 4px;
}

.work-item {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
}

.work-item:nth-child(1) {
  grid-column: 1 / 8;
  grid-row: 1;
}
.work-item:nth-child(2) {
  grid-column: 8 / 13;
  grid-row: 1;
}
.work-item:nth-child(3) {
  grid-column: 1 / 5;
  grid-row: 2;
}
.work-item:nth-child(4) {
  grid-column: 5 / 9;
  grid-row: 2;
}
.work-item:nth-child(5) {
  grid-column: 9 / 13;
  grid-row: 2;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 0.5s, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.work-item:hover img {
  opacity: 0.4;
  transform: scale(1.05);
}

.work-item-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 28px;
  background: linear-gradient(to top, rgba(26, 22, 18, 0.9), transparent);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity 0.4s, transform 0.4s;
}

.work-item:hover .work-item-body {
  opacity: 1;
  transform: translateY(0);
}

.work-cat {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 6px;
}

.work-title {
  font-family: var(--ff-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.08em;
}

/* ============================================================
   10. Contact（TOP）
   ============================================================ */

#contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}

.contact-info-block {
  margin-top: 40px;
}

.contact-body {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin: 24px 0 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.contact-detail-label {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 2px;
  min-width: 80px;
}

.contact-detail a {
  color: inherit;
}

.contact-form {
  margin-top: 12px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--ff-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: 0;
  padding: 14px 18px;
  font-family: var(--ff-jp);
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(154, 124, 60, 0.1);
}

.form-textarea {
  height: 160px;
  resize: vertical;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--ff-en);
  font-size: 0.88rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 18px 48px;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
  cursor: pointer;
}

.form-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.form-submit:hover::before {
  transform: scaleX(1);
}

.form-submit span {
  position: relative;
  z-index: 1;
}

/* ============================================================
   11. フッター
   ============================================================ */

footer {
  background: var(--ink);
  padding: 60px 0 30px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 32px;
}

.footer-logo {
  color: var(--white);
}

.footer-nav {
  display: flex;
  gap: 40px;
}

.footer-nav a {
  font-family: var(--ff-en);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.3s;
}

.footer-nav a:hover {
  color: var(--gold-lt);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.25);
}

.footer-addr {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
}

/* ============================================================
   12. アニメーション・スクロール演出
   ============================================================ */

@keyframes fade-in {
  to {
    opacity: 1;
  }
}

.js-in-view {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.js-in-view.is-in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   13. レスポンシブ（TOP）
   ============================================================ */

@media (max-width: 1023px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

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

  .service-card:last-child {
    grid-column: span 2;
    aspect-ratio: 16 / 7;
  }

  .works-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  .work-item {
    grid-column: unset !important;
    grid-row: unset !important;
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 767px) {
  header {
    padding: 0 20px !important; /* ← !important を追加 */
    height: 64px;
  }
  .logo-jp {
    font-size: 1rem;
    letter-spacing: 0.04em;
  }
  .logo-en {
    font-size: 0.52rem;
    letter-spacing: 0.16em;
    margin-top: 2px;
  }
  .pc-nav {
    display: none;
  }
  .drawer-button {
    display: flex;
  }
  body {
    cursor: auto;
  }
  #cursor {
    display: none;
  }

  .hero-content {
    padding: 0 24px 80px;
  }
  .hero-lines {
    display: none;
  }
  .hero-scroll {
    right: 24px;
  }

  section {
    padding: 80px 0;
  }
  .section-inner {
    padding: 0 20px;
  }

  .about-image-wrap::before {
    display: none;
  }
  .about-image-wrap::after {
    font-size: 0.75rem;
    padding: 10px 18px;
  }
  .about-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .service-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .service-card:last-child {
    grid-column: span 1;
    aspect-ratio: 3 / 4;
  }

  .works-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .works-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .work-item {
    aspect-ratio: 4 / 3;
  }

  .contact-grid {
    gap: 40px;
  }
  .contact-info-block {
    margin-top: 0;
  }

  .footer-inner {
    padding: 0 20px;
  }
  .footer-top {
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 32px;
  }
}

/* ============================================================
   14. サブページ共通（ページヒーロー・パンくず）
   ============================================================ */

.page-hero {
  position: relative;
  height: 60vh;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  animation: hero-zoom 18s ease-out forwards;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 80px 72px;
  opacity: 0;
  animation: hero-reveal 1.2s 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.page-hero-tag {
  font-family: var(--ff-en);
  font-size: 0.75rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--gold-lt);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-hero-tag::before {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold-lt);
}

.page-hero-title {
  font-family: var(--ff-mincho);
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.page-hero-title span {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 0.45em;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 10px;
  font-style: italic;
}

.breadcrumb {
  position: absolute;
  bottom: 28px;
  right: 60px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  z-index: 2;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.4);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--gold-lt);
}
.breadcrumb-sep {
  font-size: 0.6rem;
  opacity: 0.5;
}
.breadcrumb-current {
  color: var(--gold-lt);
}

/* ============================================================
   15. About ページ
   ============================================================ */

.philosophy {
  background: var(--cream);
  padding: 120px 0;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.philosophy-lead {
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 0 0 32px;
}

.philosophy-lead em {
  font-style: normal;
  color: var(--gold);
  border-bottom: 1px solid var(--sand);
  padding-bottom: 2px;
}

.philosophy-body {
  font-size: 0.95rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.philosophy-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.value-card {
  background: var(--ink);
  padding: 40px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.value-card:hover::before {
  transform: scaleY(1);
}
.value-card > * {
  position: relative;
  z-index: 1;
}

.value-num {
  font-family: var(--ff-en);
  font-size: 3rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.08);
  line-height: 1;
  margin-bottom: 16px;
}

.value-jp {
  font-family: var(--ff-mincho);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.value-en {
  font-family: var(--ff-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 20px;
  transition: color 0.4s;
}

.value-card:hover .value-en {
  color: rgba(255, 255, 255, 0.8);
}

.value-desc {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.4s;
}

.value-card:hover .value-desc {
  color: rgba(255, 255, 255, 0.85);
}

.history {
  background: var(--paper);
  padding: 120px 0;
}

.history-header {
  text-align: center;
  margin-bottom: 80px;
}

.history-header .section-title-en {
  color: rgba(26, 22, 18, 0.05);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--sand) 10%,
    var(--sand) 90%,
    transparent
  );
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 56px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
  transform: translate(-50%, 0);
  box-shadow: 0 0 0 4px var(--paper);
}

.timeline-item:nth-child(odd) .timeline-year {
  text-align: right;
  padding-right: 40px;
}
.timeline-item:nth-child(odd) .timeline-body {
  padding-left: 40px;
  text-align: left;
}
.timeline-item:nth-child(even) .timeline-year {
  order: 2;
  text-align: left;
  padding-left: 40px;
}
.timeline-item:nth-child(even) .timeline-body {
  order: 1;
  text-align: right;
  padding-right: 40px;
}

.timeline-year {
  font-family: var(--ff-en);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.timeline-title {
  font-family: var(--ff-mincho);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.timeline-text {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--stone);
  letter-spacing: 0.03em;
}

.company-info {
  background: var(--cream);
  padding: 120px 0;
}

.company-info-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 100px;
  align-items: start;
}

.company-info-images {
  position: relative;
}

.company-info-img-main {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.company-info-img-sub {
  width: 58%;
  height: 220px;
  object-fit: cover;
  display: block;
  position: absolute;
  bottom: -36px;
  right: -28px;
  z-index: 2;
  border: 4px solid var(--cream);
}

.company-info-images::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 1px solid var(--sand);
  z-index: 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
}

.info-table tr {
  border-bottom: 1px solid var(--sand);
}
.info-table tr:first-child {
  border-top: 1px solid var(--sand);
}

.info-table th,
.info-table td {
  padding: 20px 0;
  font-size: 0.9rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
  text-align: left;
}

.info-table th {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  width: 130px;
  vertical-align: top;
  padding-top: 22px;
}

.info-table td {
  color: var(--stone);
}
.info-table td a {
  color: inherit;
  transition: color 0.3s;
}
.info-table td a:hover {
  color: var(--gold);
}
.info-table .mail-link {
  color: var(--gold);
  word-break: break-all;
}

.about-cta {
  background: var(--gold);
  padding: 80px 0;
}

.about-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.about-cta-text {
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.about-cta-text span {
  display: block;
  font-family: var(--ff-en);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

.about-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--white);
  padding: 18px 48px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
}

.about-cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-cta-btn:hover::before {
  transform: scaleX(1);
}
.about-cta-btn:hover {
  color: var(--white);
}
.about-cta-btn span {
  position: relative;
  z-index: 1;
}

/* ============================================================
   16. Service ページ
   ============================================================ */

.service-intro {
  background: var(--cream);
  padding: 120px 0;
}

.service-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.service-intro-lead {
  font-family: var(--ff-mincho);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.8;
  letter-spacing: 0.07em;
  color: var(--ink);
  margin: 24px 0 28px;
}

.service-intro-body {
  font-size: 0.95rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.service-intro-image {
  position: relative;
}

.service-intro-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.service-intro-image::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  bottom: 20px;
  left: 20px;
  border: 1px solid var(--sand);
  z-index: -1;
}

.service-list {
  background: var(--paper);
  padding: 120px 0;
}

.service-list-header {
  text-align: center;
  margin-bottom: 80px;
}

.service-block {
  margin-bottom: 4px;
}
.service-block:last-child {
  margin-bottom: 0;
}

.service-block-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

.service-block:nth-child(even) .service-block-image {
  order: -1;
}

.service-block-image {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
}

.service-block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity 0.6s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-block:hover .service-block-image img {
  opacity: 0.6;
  transform: scale(1.04);
}

.service-block-num {
  position: absolute;
  top: 28px;
  left: 28px;
  font-family: var(--ff-en);
  font-size: 5rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.12);
  line-height: 1;
  pointer-events: none;
}

.service-block-body {
  background: var(--ink);
  padding: 64px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-block-body::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-block:hover .service-block-body::before {
  transform: scaleX(1);
}

.service-block-en {
  font-family: var(--ff-en);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 16px;
}

.service-block-title {
  font-family: var(--ff-mincho);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  line-height: 1.3;
  margin-bottom: 24px;
}

.service-block-desc {
  font-size: 0.9rem;
  line-height: 2.2;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}

.service-block-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 44px;
}

.service-block-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.04em;
}

.service-block-list li::before {
  content: "";
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.service-block-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-en);
  font-size: 0.82rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-lt);
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  padding-bottom: 6px;
  transition: gap 0.3s, border-color 0.3s;
  align-self: flex-start;
}

.service-block-link:hover {
  gap: 20px;
  border-color: var(--gold-lt);
}

.service-flow {
  background: var(--cream);
  padding: 120px 0;
}

.service-flow-header {
  text-align: center;
  margin-bottom: 80px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
}

.flow-grid::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--sand) 20%,
    var(--sand) 80%,
    transparent
  );
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.flow-step-num {
  width: 88px;
  height: 88px;
  border: 1px solid var(--sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  transition: background 0.4s, border-color 0.4s;
}

.flow-step:hover .flow-step-num {
  background: var(--gold);
  border-color: var(--gold);
}

.flow-step-num-inner {
  font-family: var(--ff-en);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gold);
  transition: color 0.4s;
}

.flow-step:hover .flow-step-num-inner {
  color: var(--white);
}

.flow-step-title {
  font-family: var(--ff-mincho);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.flow-step-desc {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--stone);
  letter-spacing: 0.03em;
}

.service-cta {
  background: var(--gold);
  padding: 80px 0;
}

.service-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.service-cta-text {
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.service-cta-text span {
  display: block;
  font-family: var(--ff-en);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

.service-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--white);
  padding: 18px 48px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
}

.service-cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-cta-btn:hover::before {
  transform: scaleX(1);
}
.service-cta-btn:hover {
  color: var(--white);
}
.service-cta-btn span {
  position: relative;
  z-index: 1;
}

/* ============================================================
   17. Works ページ
   ============================================================ */

.works-gallery {
  background: var(--paper);
  padding: 120px 0;
}

.works-gallery-header {
  text-align: center;
  margin-bottom: 64px;
}

.works-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 64px;
}

.filter-btn {
  font-family: var(--ff-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--stone);
  background: transparent;
  border: 1px solid var(--sand);
  padding: 10px 24px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.works-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 180px;
  gap: 4px;
}

.works-card {
  grid-column: span 4;
  grid-row: span 2;
}
.works-card.is-wide {
  grid-column: span 8;
  grid-row: span 2;
}
.works-card.is-tall {
  grid-column: span 4;
  grid-row: span 3;
}

.works-card {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  cursor: pointer;
}

.works-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: opacity 0.6s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.works-card:hover img {
  opacity: 0.35;
  transform: scale(1.06);
}

.works-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  background: linear-gradient(to top, rgba(26, 22, 18, 0.92) 30%, transparent);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}

.works-card:hover .works-card-overlay {
  opacity: 1;
  transform: translateY(0);
}

.works-card-label {
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: var(--ff-en);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--gold);
  padding: 5px 14px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.4s 0.1s, transform 0.4s 0.1s;
}

.works-card:hover .works-card-label {
  opacity: 1;
  transform: translateY(0);
}

.works-card-cat {
  font-family: var(--ff-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 8px;
}

.works-card-title {
  font-family: var(--ff-mincho);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.works-card-meta {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.04em;
}

.works-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-top: 14px;
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  padding-bottom: 4px;
  align-self: flex-start;
}

.works-card.is-hidden {
  display: none;
}

.works-featured {
  background: var(--ink);
  padding: 120px 0;
}

.works-featured .section-label {
  color: var(--gold-lt);
}
.works-featured .section-title {
  color: var(--white);
}
.works-featured .section-title-en {
  color: rgba(255, 255, 255, 0.04);
}

.works-featured-header {
  text-align: center;
  margin-bottom: 72px;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.featured-main {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  grid-row: span 2;
  min-height: 600px;
}

.featured-sub {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  min-height: 296px;
}

.featured-main img,
.featured-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  transition: opacity 0.6s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.featured-main:hover img,
.featured-sub:hover img {
  opacity: 0.35;
  transform: scale(1.05);
}

.featured-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 36px;
  background: linear-gradient(to top, rgba(26, 22, 18, 0.95) 40%, transparent);
  transform: translateY(6px);
  opacity: 0;
  transition: opacity 0.4s, transform 0.4s;
}

.featured-main:hover .featured-body,
.featured-sub:hover .featured-body {
  opacity: 1;
  transform: translateY(0);
}

.featured-cat {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 10px;
}

.featured-title {
  font-family: var(--ff-mincho);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.featured-sub .featured-title {
  font-size: 1.1rem;
}

.featured-desc {
  font-size: 0.85rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

.works-testimonials {
  background: var(--cream);
  padding: 120px 0;
}

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

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.testimonial-card {
  background: var(--white);
  padding: 44px 36px;
  position: relative;
  transition: box-shadow 0.4s, transform 0.4s;
}

.testimonial-card:hover {
  box-shadow: 0 20px 60px rgba(26, 22, 18, 0.08);
  transform: translateY(-6px);
}

.testimonial-quote {
  font-family: var(--ff-en);
  font-size: 4rem;
  font-weight: 300;
  color: var(--sand);
  line-height: 0.8;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 0.9rem;
  line-height: 2.1;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--sand);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--ff-mincho);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
}

.testimonial-info {
  font-size: 0.78rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin-top: 3px;
}

.testimonial-stars {
  margin-left: auto;
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.works-cta {
  background: var(--gold);
  padding: 80px 0;
}

.works-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.works-cta-text {
  font-family: var(--ff-mincho);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.works-cta-text span {
  display: block;
  font-family: var(--ff-en);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

.works-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--white);
  padding: 18px 48px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
}

.works-cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.works-cta-btn:hover::before {
  transform: scaleX(1);
}
.works-cta-btn:hover {
  color: var(--white);
}
.works-cta-btn span {
  position: relative;
  z-index: 1;
}

/* ============================================================
   18. Contact ページ
   ============================================================ */

.contact-intro {
  background: var(--cream);
  padding: 100px 0 0;
  text-align: center;
}

.contact-intro-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 40px;
}

.contact-intro-body {
  font-size: 0.95rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.05em;
  margin-top: 24px;
  white-space: nowrap;
}

.contact-cards {
  background: var(--cream);
  padding: 72px 0 120px;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--sand);
  padding: 48px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.4s, transform 0.4s;
}

.contact-card::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-card:hover {
  box-shadow: 0 20px 60px rgba(26, 22, 18, 0.08);
  transform: translateY(-6px);
}
.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-card-icon {
  width: 64px;
  height: 64px;
  border: 1px solid var(--sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: background 0.4s, border-color 0.4s;
}

.contact-card:hover .contact-card-icon {
  background: var(--gold);
  border-color: var(--gold);
}

.contact-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.4s;
}

.contact-card:hover .contact-card-icon svg {
  stroke: var(--white);
}

.contact-card-en {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.contact-card-title {
  font-family: var(--ff-mincho);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.contact-card-value {
  font-family: var(--ff-en);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.contact-card-value a {
  color: inherit;
  transition: color 0.3s;
}
.contact-card-value a:hover {
  color: var(--gold);
}

.contact-card-note {
  font-size: 0.8rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.contact-main {
  background: var(--paper);
  padding: 120px 0;
}

.contact-main-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 100px;
  align-items: start;
}

.contact-info {
  position: sticky;
  top: 100px;
}

.contact-info-body {
  font-size: 0.92rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin: 24px 0 48px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--sand);
}

.contact-info-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--sand);
}

.contact-info-label {
  font-family: var(--ff-en);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  min-width: 72px;
  padding-top: 3px;
}

.contact-info-value {
  font-size: 0.88rem;
  color: var(--stone);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.contact-info-value a {
  color: inherit;
  transition: color 0.3s;
}
.contact-info-value a:hover {
  color: var(--gold);
}
.contact-info-value .mail-link {
  color: var(--gold);
  word-break: break-all;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--sand);
  padding: 60px 56px;
}

.contact-form-title {
  font-family: var(--ff-mincho);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.contact-form-sub {
  font-size: 0.85rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--sand);
}

.form-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 10px;
}

.form-label .badge-required {
  font-family: var(--ff-jp);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--gold);
  padding: 2px 8px;
  text-transform: none;
}

.form-label .badge-optional {
  font-family: var(--ff-jp);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--stone);
  background: rgba(92, 86, 80, 0.1);
  padding: 2px 8px;
  text-transform: none;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--sand);
  border-radius: 0;
  padding: 14px 18px;
  font-family: var(--ff-jp);
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(154, 124, 60, 0.1);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.08);
}

.form-error-msg {
  font-size: 0.75rem;
  color: #c0392b;
  letter-spacing: 0.04em;
  margin-top: 6px;
  display: none;
}

.form-error-msg.is-show {
  display: block;
}

.form-textarea {
  height: 180px;
  resize: vertical;
}

.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--stone);
  border-bottom: 1px solid var(--stone);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.form-radio-group,
.form-check-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.form-radio-label,
.form-check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 10px 20px;
  border: 1px solid var(--sand);
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.form-radio-label:hover,
.form-check-label:hover {
  border-color: var(--gold);
  color: var(--ink);
}

.form-radio-label input,
.form-check-label input {
  accent-color: var(--gold);
  width: 14px;
  height: 14px;
}

.form-radio-label:has(input:checked),
.form-check-label:has(input:checked) {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-privacy {
  background: var(--paper);
  border: 1px solid var(--sand);
  padding: 20px 24px;
  margin-bottom: 32px;
}

.form-privacy-text {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--stone);
  letter-spacing: 0.03em;
}

.form-privacy-text a {
  color: var(--gold);
  border-bottom: 1px solid rgba(154, 124, 60, 0.3);
}

.form-privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--stone);
  cursor: pointer;
  letter-spacing: 0.04em;
}

.form-privacy-check input {
  accent-color: var(--gold);
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-submit-wrap {
  display: flex;
  align-items: center;
  gap: 28px;
}

.form-submit-note {
  font-size: 0.78rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
}
.form-success.is-show {
  display: block;
}

.form-success-icon {
  width: 72px;
  height: 72px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}

.form-success-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.form-success-title {
  font-family: var(--ff-mincho);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.form-success-body {
  font-size: 0.9rem;
  line-height: 2.2;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.contact-map {
  background: var(--ink);
  padding: 0;
}

.map-header {
  padding: 80px 0 60px;
  text-align: center;
}
.map-header .section-label {
  justify-content: center;
  color: var(--gold-lt);
}
.map-header .section-title {
  color: var(--white);
  text-align: center;
}
.map-header .section-title-en {
  color: rgba(255, 255, 255, 0.04);
}

.map-wrap {
  position: relative;
  width: 100%;
  height: 480px;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  filter: grayscale(20%) contrast(1.05);
}

.contact-faq {
  background: var(--cream);
  padding: 120px 0;
}

.faq-header {
  text-align: center;
  margin-bottom: 72px;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-top: 1px solid var(--sand);
}
.faq-item:last-child {
  border-bottom: 1px solid var(--sand);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  cursor: pointer;
  user-select: none;
}

.faq-question-text {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-family: var(--ff-mincho);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.faq-q-mark {
  font-family: var(--ff-en);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 1px;
}

.faq-toggle {
  width: 32px;
  height: 32px;
  border: 1px solid var(--sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.3s, border-color 0.3s, transform 0.4s;
}

.faq-item.is-open .faq-toggle {
  background: var(--gold);
  border-color: var(--gold);
  transform: rotate(45deg);
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--stone);
  transition: background 0.3s;
}

.faq-toggle::before {
  width: 12px;
  height: 1px;
}
.faq-toggle::after {
  width: 1px;
  height: 12px;
}

.faq-item.is-open .faq-toggle::before,
.faq-item.is-open .faq-toggle::after {
  background: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  display: flex;
  gap: 16px;
  padding: 0 0 28px;
}

.faq-a-mark {
  font-family: var(--ff-en);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--stone);
  flex-shrink: 0;
}

.faq-answer-text {
  font-size: 0.9rem;
  line-height: 2.1;
  color: var(--stone);
  letter-spacing: 0.04em;
}

/* ============================================================
   19. Privacy ページ
   ============================================================ */

.privacy-body {
  background: var(--paper);
  padding: 100px 0 120px;
}

.privacy-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 60px;
}

.privacy-date {
  font-family: var(--ff-en);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--stone);
  margin-bottom: 56px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--sand);
}

.privacy-lead {
  font-size: 0.95rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.04em;
  margin-bottom: 72px;
  padding: 36px 40px;
  background: var(--cream);
  border-left: 3px solid var(--gold);
}

.privacy-section {
  margin-bottom: 56px;
}
.privacy-section:last-of-type {
  margin-bottom: 0;
}

.privacy-section-num {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.privacy-section-title {
  font-family: var(--ff-mincho);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--sand);
}

.privacy-section-body {
  font-size: 0.92rem;
  line-height: 2.3;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.privacy-section-body p {
  margin-bottom: 16px;
}
.privacy-section-body p:last-child {
  margin-bottom: 0;
}

.privacy-list {
  margin: 16px 0;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.privacy-list li::before {
  content: "";
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 12px;
}

.privacy-list-num {
  margin: 16px 0;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: privacy-counter;
}

.privacy-list-num li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--stone);
  letter-spacing: 0.04em;
  counter-increment: privacy-counter;
}

.privacy-list-num li::before {
  content: counter(privacy-counter);
  font-family: var(--ff-en);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--white);
  background: var(--gold);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 4px;
}

.privacy-company-box {
  background: var(--cream);
  border: 1px solid var(--sand);
  padding: 32px 36px;
  margin-top: 20px;
}

.privacy-company-box dl {
  display: grid;
  grid-template-columns: 120px 1fr;
}

.privacy-company-box dt {
  font-family: var(--ff-en);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 14px 0;
  border-bottom: 1px solid var(--sand);
}

.privacy-company-box dt:last-of-type {
  border-bottom: none;
}

.privacy-company-box dd {
  font-size: 0.88rem;
  color: var(--stone);
  line-height: 1.8;
  letter-spacing: 0.04em;
  padding: 14px 0;
  border-bottom: 1px solid var(--sand);
}

.privacy-company-box dd:last-child {
  border-bottom: none;
}
.privacy-company-box dd a {
  color: var(--gold);
}

.privacy-footer-note {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--sand);
  font-size: 0.82rem;
  color: var(--stone);
  letter-spacing: 0.04em;
  line-height: 1.9;
  text-align: right;
}

.privacy-back {
  margin-top: 56px;
  text-align: center;
}

.privacy-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-en);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--ink);
  padding: 18px 48px;
  position: relative;
  overflow: hidden;
  transition: color 0.4s;
}

.privacy-back-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.privacy-back-btn:hover::before {
  transform: scaleX(1);
}
.privacy-back-btn span {
  position: relative;
  z-index: 1;
}

/* ============================================================
   20. レスポンシブ（サブページ）
   ============================================================ */

@media (max-width: 1023px) {
  .page-hero-content {
    padding: 0 40px 60px;
  }

  .philosophy-grid,
  .company-info-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .philosophy-values {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .company-info-img-sub {
    right: 0;
  }

  .service-intro-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .service-block-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .service-block:nth-child(even) .service-block-image {
    order: 0;
  }
  .service-block-image {
    height: 300px;
  }
  .service-block-image img {
    height: 300px;
  }
  .service-block-body {
    padding: 48px 40px;
  }
  .flow-grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 48px;
  }
  .flow-grid::before {
    display: none;
  }
  .service-cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .works-masonry {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
  }
  .works-card {
    grid-column: span 3;
    grid-row: span 2;
  }
  .works-card.is-wide {
    grid-column: span 6;
    grid-row: span 2;
  }
  .works-card.is-tall {
    grid-column: span 3;
    grid-row: span 3;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-main {
    grid-row: span 1;
    min-height: 400px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  .works-cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .contact-cards-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .contact-main-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .contact-info {
    position: static;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .map-wrap {
    height: 360px;
  }
}

@media (max-width: 767px) {
  .page-hero-content {
    padding: 0 24px 60px;
  }
  .breadcrumb {
    right: 24px;
  }

  .philosophy-values {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-left: 50px;
  }
  .timeline-item::before {
    left: 20px;
  }
  .timeline-item:nth-child(odd) .timeline-year,
  .timeline-item:nth-child(even) .timeline-year {
    order: 0;
    text-align: left;
    padding: 0;
    font-size: 1.6rem;
  }
  .timeline-item:nth-child(odd) .timeline-body,
  .timeline-item:nth-child(even) .timeline-body {
    order: 0;
    text-align: left;
    padding: 0;
  }
  .company-info-img-sub {
    display: none;
  }

  .service-block-body {
    padding: 40px 24px;
  }
  .flow-grid {
    grid-template-columns: 1fr 1fr;
  }

  .works-masonry {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 160px;
  }
  .works-card,
  .works-card.is-wide,
  .works-card.is-tall {
    grid-column: span 4;
    grid-row: span 2;
  }
  .works-filter {
    gap: 6px;
  }
  .filter-btn {
    padding: 8px 16px;
    font-size: 0.68rem;
  }

  .contact-intro-inner {
    padding: 0 20px;
  }
  .contact-intro-body {
    white-space: normal;
  }
  .contact-form-wrap {
    padding: 40px 24px;
  }
  .form-submit-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
  .map-wrap {
    height: 280px;
  }

  .privacy-inner {
    padding: 0 20px;
  }
  .privacy-lead {
    padding: 24px 20px;
  }
  .privacy-company-box {
    padding: 24px 20px;
  }
  .privacy-company-box dl {
    grid-template-columns: 90px 1fr;
  }
}

/* ============================================================
   21. 【追記】各ページ ヒーロー背景画像
   ============================================================
   ・画像ファイルは /img/ フォルダに入れてください
   ・css フォルダから見たパスは ../img/〇〇.jpg になります
   ・各 HTML の <body> タグに対応するクラスを追加してください
       about.html   → <body class="about">
       service.html → <body class="service">
       works.html   → <body class="works">
       contact.html → <body class="contact">
       privacy.html → <body class="privacy">
   ============================================================ */

/* ─── index.html トップページ FV ─────────────────────
   ※ index.html の .hero-bg に style属性で直接記述しています。
   CSS で管理したい場合は下記のコメントを外して
   style属性の記述を削除してください。
   ────────────────────────────────────────────────── */
/*
.hero-bg {
  background:
    linear-gradient(160deg, rgba(26,22,18,.68) 0%, rgba(26,22,18,.30) 55%, rgba(26,22,18,.62) 100%),
    url('../img/fv.jpg') center 60% / cover no-repeat;
}
*/

/* ─── about.html ページヒーロー背景 ──────────────────
   画像ファイル名: about-hero.jpg
   推奨サイズ: 1920px × 800px 以上
   ────────────────────────────────────────────────── */
.about .page-hero-bg {
  background: linear-gradient(
      160deg,
      rgba(26, 22, 18, 0.75) 0%,
      rgba(26, 22, 18, 0.45) 60%,
      rgba(26, 22, 18, 0.7) 100%
    ),
    url("../img/about-hero.jpg") center / cover no-repeat;
}

/* ─── service.html ページヒーロー背景 ────────────────
   画像ファイル名: service-hero.jpg
   推奨サイズ: 1920px × 800px 以上
   ────────────────────────────────────────────────── */
.service .page-hero-bg {
  background: linear-gradient(
      160deg,
      rgba(26, 22, 18, 0.75) 0%,
      rgba(26, 22, 18, 0.45) 60%,
      rgba(26, 22, 18, 0.7) 100%
    ),
    url("../img/service-hero.jpg") center / cover no-repeat;
}

/* ─── works.html ページヒーロー背景 ──────────────────
   画像ファイル名: works-hero.jpg
   推奨サイズ: 1920px × 800px 以上
   ────────────────────────────────────────────────── */
.works .page-hero-bg {
  background: linear-gradient(
      160deg,
      rgba(26, 22, 18, 0.75) 0%,
      rgba(26, 22, 18, 0.45) 60%,
      rgba(26, 22, 18, 0.7) 100%
    ),
    url("../img/works-hero.jpg") center / cover no-repeat;
}

/* ─── contact.html ページヒーロー背景 ────────────────
   画像ファイル名: contact-hero.jpg
   推奨サイズ: 1920px × 800px 以上
   ────────────────────────────────────────────────── */
.contact .page-hero-bg {
  background: linear-gradient(
      160deg,
      rgba(26, 22, 18, 0.75) 0%,
      rgba(26, 22, 18, 0.45) 60%,
      rgba(26, 22, 18, 0.7) 100%
    ),
    url("../img/contact-hero.jpg") center / cover no-repeat;
}

/* ─── privacy.html ページヒーロー背景 ────────────────
   画像ファイル名: privacy-hero.jpg
   推奨サイズ: 1920px × 800px 以上
   ────────────────────────────────────────────────── */
.privacy .page-hero-bg {
  background: linear-gradient(
      160deg,
      rgba(26, 22, 18, 0.75) 0%,
      rgba(26, 22, 18, 0.45) 60%,
      rgba(26, 22, 18, 0.7) 100%
    ),
    url("../img/privacy-hero.jpg") center / cover no-repeat;
}
/* ============================================================
   22. Works 詳細ページ共通
   ============================================================ */

.works-detail-intro {
  padding: 100px 0 60px;
  background: var(--paper);
}

.works-detail-intro .section-inner {
  max-width: 900px;
}

.works-detail-lead {
  font-family: var(--ff-jp);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 2;
  color: var(--stone);
  margin-top: 32px;
}

.works-case-list {
  padding: 80px 0 120px;
  background: var(--paper);
}

.works-case-item {
  background: var(--white);
  border: 1px solid rgba(154, 124, 60, 0.12);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.works-case-item.is-in-view {
  opacity: 1;
  transform: translateY(0);
}

.works-case-item-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.works-case-item:nth-child(even) .works-case-item-inner {
  direction: rtl;
}

.works-case-item:nth-child(even) .works-case-body {
  direction: ltr;
}

.works-case-images {
  position: relative;
  overflow: hidden;
}

.works-case-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.works-case-item:hover .works-case-images img {
  transform: scale(1.04);
}

/* ─── Before / After 比較表示 ─── */
.case-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  position: relative;
}

.case-compare::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: rgba(250, 247, 242, 0.4);
  z-index: 2;
}

.case-compare-img {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.case-compare-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) brightness(0.92);
  transition: transform 0.6s ease;
}

.case-compare-img.case-after img {
  filter: none;
}

.works-case-item:hover .case-compare-img img {
  transform: scale(1.04);
}

.case-compare-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--ff-en);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(26, 22, 18, 0.65);
  padding: 6px 14px;
  z-index: 3;
}

.case-compare-tag.is-after {
  background: var(--gold);
  color: var(--white);
}

.works-case-body {
  padding: 48px 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.works-case-cat {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
}

.works-case-cat::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.works-case-title {
  font-family: var(--ff-mincho);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.works-case-desc {
  font-family: var(--ff-jp);
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--stone);
}

.works-case-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(154, 124, 60, 0.15);
}

.works-case-meta-row {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--stone);
}

.works-case-meta-label {
  font-family: var(--ff-en);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  min-width: 80px;
}

.works-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-en);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 48px;
  transition: color 0.3s;
}

.works-back:hover {
  color: var(--gold);
}

.works-back::before {
  content: "←";
  font-size: 1rem;
}

@media (max-width: 767px) {
  .works-case-item-inner {
    grid-template-columns: 1fr;
  }
  .works-case-item:nth-child(even) .works-case-item-inner {
    direction: ltr;
  }
  .works-case-images {
    min-height: 240px;
  }
  .case-compare-tag {
    font-size: 0.55rem;
    padding: 4px 10px;
    top: 10px;
    left: 10px;
  }
  .works-case-body {
    padding: 32px 24px;
  }
}

/* ─── 百尺竿頭：ふりがな（ルビ）の装飾 ─── */
.section-title ruby rt {
  font-size: 0.3em;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--gold);
  padding-bottom: 0.5em;
}
/* ============================================
   404ページ専用スタイル（css/404.css）
   404表示時のみ読み込まれる。
   既存の style.css / reset.css は無変更のまま。
   ============================================ */

.notfound {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  padding: 160px 24px 120px;
}

.notfound-inner {
  text-align: center;
  max-width: 640px;
}

/* 大きな「404」の数字（英字セリフ体×金色） */
.notfound-code {
  font-family: var(--ff-en);
  font-size: clamp(5rem, 12vw, 8rem);
  font-weight: 300;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.15em;
}

.notfound-en {
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--sand);
  margin-top: 12px;
}

.notfound-title {
  font-family: var(--ff-mincho);
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.1em;
  margin-top: 40px;
}

.notfound-text {
  font-family: var(--ff-jp);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--stone);
  margin-top: 20px;
}

/* トップへ戻るボタン（サイト内の他ボタンと同じ作法） */
.notfound-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 48px;
  padding: 18px 48px;
  border: 1px solid var(--gold);
  font-family: var(--ff-en);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  transition: background 0.3s, color 0.3s;
}

.notfound-btn:hover {
  background: var(--gold);
  color: var(--white);
}

.notfound-btn-arrow {
  transition: transform 0.3s;
}

.notfound-btn:hover .notfound-btn-arrow {
  transform: translateX(6px);
}

@media (max-width: 767px) {
  .notfound {
    padding: 120px 20px 80px;
  }

  .notfound-btn {
    padding: 16px 40px;
  }
}