/* ============================================================
   aube-style.css
   株式会社aube — Quiet Luxury Design System
   Version: 1.0.0
   ============================================================ */

/* ─────────────────────────────
   CSS変数
───────────────────────────── */
:root {
  --ivory:        #F7F4EF;
  --ivory-dark:   #EDE8DF;
  --charcoal:     #2C2A27;
  --charcoal-2:   #4A4742;
  --gold:         #B89A6A;
  --gold-light:   #D4B896;
  --white:        #FDFCF9;
  --border:       rgba(184,154,106,0.22);
  --border-dark:  rgba(184,154,106,0.40);

  --fd: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --fb: 'Noto Serif JP', serif;
  --fl: 'Raleway', sans-serif;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─────────────────────────────
   リセット
───────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--ivory);
  color: var(--charcoal);
  font-family: var(--fb);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ─────────────────────────────
   ユーティリティ
───────────────────────────── */
.aube-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.aube-section {
  padding: 7rem 0;
}

.section-label {
  font-family: var(--fl);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 0 0 24px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: var(--fd);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--charcoal);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section-desc {
  font-size: 0.88rem;
  color: var(--charcoal-2);
  max-width: 520px;
  line-height: 2.1;
  margin-bottom: 4rem;
}

/* ─────────────────────────────
   HEADER
───────────────────────────── */
.aube-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(253,252,249,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.aube-header__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.aube-logo {
  font-family: var(--fd);
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--charcoal);
  text-transform: lowercase;
}
.aube-logo span { color: var(--gold); }

.aube-nav {
  display: flex;
  gap: 2.8rem;
  align-items: center;
}

.aube-nav a {
  font-family: var(--fl);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--charcoal-2);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.aube-nav a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ハンバーガー（モバイル） */
.aube-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 0;
}
.aube-hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--charcoal);
  transition: all 0.3s var(--ease);
}
.aube-hamburger.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.aube-hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.aube-hamburger.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* モバイルナビ */
.aube-nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.3s;
}
.aube-nav-mobile.is-open {
  display: flex;
  max-height: 400px;
  padding: 1rem 0;
}
.aube-nav-mobile a {
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--charcoal-2);
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}
.aube-nav-mobile a:last-child { border-bottom: none; }
.aube-nav-mobile a:hover {
  color: var(--gold);
  background: var(--ivory);
}

/* ─────────────────────────────
   HERO
───────────────────────────── */
.aube-hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.aube-hero__left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 4rem 8rem 6rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--fl);
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--fd);
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.06em;
  color: var(--charcoal);
  margin-bottom: 0.3rem;
}
.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-subtitle {
  font-family: var(--fd);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 300;
  font-style: italic;
  color: var(--charcoal-2);
  letter-spacing: 0.08em;
  margin-top: 0.6rem;
  margin-bottom: 3rem;
}

.hero-desc {
  font-size: 0.88rem;
  line-height: 2.1;
  color: var(--charcoal-2);
  max-width: 360px;
  margin-bottom: 3.5rem;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--charcoal);
  padding: 1rem 2.8rem;
  transition: background 0.35s var(--ease);
}
.btn-primary:hover { background: var(--gold); color: var(--white); }

.btn-ghost {
  display: inline-block;
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--charcoal);
  border: 1px solid var(--border-dark);
  padding: 1rem 2.8rem;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.aube-hero__right {
  position: relative;
  overflow: hidden;
  background: var(--ivory-dark);
}
.aube-hero__right::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 40%, rgba(184,154,106,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 30% 80%, rgba(138,158,140,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.hero-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 実際の写真がある場合 */
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 写真がない場合のプレースホルダー */
.hero-circle-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.hero-circle {
  width: clamp(200px, 28vw, 300px);
  height: clamp(200px, 28vw, 300px);
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-circle::before {
  content: '';
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px solid rgba(184,154,106,0.12);
}
.hero-circle::after {
  content: '';
  position: absolute;
  inset: -32px;
  border-radius: 50%;
  border: 1px solid rgba(184,154,106,0.06);
}

.hero-circle-inner {
  width: 78%;
  height: 78%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ivory-dark), var(--ivory));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.hero-circle-text {
  font-family: var(--fd);
  font-size: 0.88rem;
  font-style: italic;
  color: var(--charcoal-2);
  letter-spacing: 0.06em;
  text-align: center;
  line-height: 1.9;
}

.hero-badge {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.hero-badge::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--gold);
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--fl);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--charcoal-2);
}
.scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--charcoal-2), transparent);
  animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ─────────────────────────────
   NEWS
───────────────────────────── */
.aube-news {
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--border);
  border: 1px solid var(--border);
}

.news-item {
  background: var(--white);
  padding: 2.2rem 2rem;
  transition: background 0.3s var(--ease);
  cursor: pointer;
}
.news-item:hover { background: var(--ivory); }

.news-date {
  font-family: var(--fl);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.news-title {
  font-family: var(--fb);
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--charcoal);
}

.news-arrow {
  margin-top: 1.2rem;
  font-family: var(--fl);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold-light);
}

/* ─────────────────────────────
   BUSINESS
───────────────────────────── */
.aube-business {
  background: var(--ivory);
}

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

.biz-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3rem 2.5rem;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.biz-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease);
}
.biz-card:hover::before { transform: translateX(0); }
.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(44,42,39,0.09);
}

.biz-num {
  font-family: var(--fd);
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(184,154,106,0.18);
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.biz-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--ivory-dark);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.8rem;
  font-size: 1.4rem;
}

.biz-title {
  font-family: var(--fd);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.biz-desc {
  font-size: 0.82rem;
  line-height: 2;
  color: var(--charcoal-2);
}

/* ─────────────────────────────
   MISSION / VISION / VALUES
───────────────────────────── */
.aube-mvv {
  background: var(--charcoal);
  color: var(--ivory);
}
.aube-mvv .section-label {
  color: var(--gold-light);
}
.aube-mvv .section-label::after {
  background: var(--gold-light);
}
.aube-mvv .section-title {
  color: var(--ivory);
  margin-bottom: 3rem;
}

/* Mission/Vision 2カラム */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid rgba(184,154,106,0.15);
  margin-bottom: 2.5rem;
}
.mv-grid .mvv-item {
  border-right: 1px solid rgba(184,154,106,0.15);
}
.mv-grid .mvv-item:last-child {
  border-right: none;
}

/* MVVカード共通 */
.mvv-item {
  padding: 3rem 2.5rem;
}

.mvv-label {
  font-family: var(--fl);
  font-size: 0.56rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.3rem;
  display: block;
}

.mvv-en {
  font-family: var(--fd);
  font-size: 2rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(247,244,239,0.15);
  line-height: 1;
  margin-bottom: 1.3rem;
  letter-spacing: 0.06em;
}

.mvv-text {
  font-family: var(--fd);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 2.1;
  color: rgba(247,244,239,0.95);
  letter-spacing: 0.06em;
}

/* Values 親カード */
.values-parent { position: relative; }

.values-header {
  border: 1px solid rgba(184,154,106,0.25);
  border-left: 3px solid var(--gold);
  background: rgba(184,154,106,0.05);
}

/* 親→子 接続線 */
.values-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 2.5rem;
  position: relative;
}
.values-connector-line {
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--gold), rgba(184,154,106,0.3));
}
.values-connector-branch {
  position: absolute;
  bottom: 0;
  width: calc(100% - 4rem);
  left: 2rem;
  height: 1px;
  background: rgba(184,154,106,0.3);
}

/* 子カードグリッド */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-left: 2rem;
}

.value-item {
  padding: 1.8rem;
  border: 1px solid rgba(184,154,106,0.15);
  border-left: 2px solid rgba(184,154,106,0.45);
  background: rgba(184,154,106,0.04);
  position: relative;
}
.value-item::before {
  content: '';
  position: absolute;
  top: 50%; left: -1.3rem;
  width: 1.1rem; height: 1px;
  background: rgba(184,154,106,0.35);
}

.value-en {
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.value-jp {
  font-family: var(--fb);
  font-size: 0.82rem;
  color: rgba(247,244,239,0.8);
  margin-bottom: 0.8rem;
}

.value-desc {
  font-size: 0.78rem;
  line-height: 1.9;
  color: rgba(247,244,239,0.65);
}

/* ─────────────────────────────
   BRAND MESSAGE
───────────────────────────── */
.aube-brand-message {
  background: var(--ivory-dark);
}

.brand-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 0 1.5rem;
}
.brand-inner .section-label {
  justify-content: center;
}
.brand-inner .section-label::after { display: none; }
.brand-inner .section-label::before {
  content: '';
  flex: 0 0 24px;
  height: 1px;
  background: var(--gold);
}

.brand-quote {
  font-family: var(--fd);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-style: italic;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.07em;
  color: var(--charcoal);
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.brand-quote::before {
  content: '\201C';
  font-family: var(--fd);
  font-size: 6rem;
  font-weight: 300;
  color: var(--gold);
  opacity: 0.25;
  line-height: 0;
  position: absolute;
  top: 4rem;
  left: -0.5rem;
}

/* ─────────────────────────────
   BIOGRAPHY
───────────────────────────── */
.aube-biography {
  background: var(--white);
}

.bio-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 6rem;
  align-items: start;
}

.bio-photo-wrap {
  position: relative;
  padding: 2rem;
}

.bio-photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
}
.bio-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.bio-photo-ring {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(184,154,106,0.2);
  pointer-events: none;
}
.bio-photo-ring2 {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(184,154,106,0.08);
  pointer-events: none;
}

.bio-tag {
  position: absolute;
  bottom: 0.5rem; right: 0;
  background: var(--charcoal);
  color: var(--ivory);
  font-family: var(--fl);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
}

.bio-content { padding-top: 1rem; }

.bio-name {
  font-family: var(--fd);
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--charcoal);
  margin-bottom: 0.3rem;
}

.bio-role {
  font-family: var(--fl);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
}

.bio-text {
  font-size: 0.88rem;
  line-height: 2.2;
  color: var(--charcoal-2);
  margin-bottom: 1.2rem;
}

.bio-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.bio-cert {
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--charcoal-2);
  border: 1px solid var(--border-dark);
  padding: 0.4rem 0.9rem;
}

/* ─────────────────────────────
   CONTACT
───────────────────────────── */
.aube-contact {
  background: var(--ivory);
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.contact-text {
  font-size: 0.88rem;
  color: var(--charcoal-2);
  line-height: 2.2;
  margin-bottom: 3rem;
}

.contact-form { text-align: left; }

.form-row { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-family: var(--fl);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border-dark);
  padding: 0.9rem 1.1rem;
  font-family: var(--fb);
  font-size: 0.85rem;
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.3s var(--ease);
  -webkit-appearance: none;
  border-radius: 0;
}
.form-input:focus { border-color: var(--gold); }

textarea.form-input {
  height: 140px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  background: var(--charcoal);
  color: var(--white);
  border: none;
  padding: 1.1rem;
  cursor: pointer;
  transition: background 0.35s var(--ease);
  margin-top: 0.5rem;
  border-radius: 0;
}
.form-submit:hover { background: var(--gold); }

/* ─────────────────────────────
   FOOTER
───────────────────────────── */
.aube-footer {
  background: var(--charcoal);
  padding: 3.5rem 2.5rem;
  border-top: 1px solid rgba(184,154,106,0.12);
}

.aube-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--fd);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: rgba(247,244,239,0.7);
  text-transform: lowercase;
}

.footer-links {
  display: flex;
  gap: 2rem;
}
.footer-links a {
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(247,244,239,0.35);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold-light); }

.footer-copy {
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: rgba(247,244,239,0.3);
}

/* ─────────────────────────────
   アニメーション
───────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease) both;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

/* ─────────────────────────────
   スクロールバー
───────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--ivory); }
::-webkit-scrollbar-thumb { background: var(--gold-light); border-radius: 2px; }

/* ═══════════════════════════════
   RESPONSIVE — タブレット (900px)
═══════════════════════════════ */
@media (max-width: 900px) {
  .aube-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .aube-hero__left {
    padding: 5rem 2.5rem 4rem;
    order: 2;
  }
  .aube-hero__right {
    order: 1;
    min-height: 55vw;
  }
  .scroll-indicator { display: none; }
  .hero-badge { bottom: 1.5rem; right: 1.5rem; }

  .business-grid {
    grid-template-columns: 1fr 1fr;
  }

  .mv-grid {
    grid-template-columns: 1fr;
  }
  .mv-grid .mvv-item {
    border-right: none;
    border-bottom: 1px solid rgba(184,154,106,0.15);
  }
  .mv-grid .mvv-item:last-child { border-bottom: none; }

  .values-grid {
    grid-template-columns: 1fr 1fr;
    margin-left: 0;
  }
  .values-connector-branch {
    width: calc(100% - 2rem);
    left: 1rem;
  }
  .value-item::before { display: none; }

  .bio-inner {
    grid-template-columns: 200px 1fr;
    gap: 3rem;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    border-bottom: 1px solid var(--border);
  }
}

/* ═══════════════════════════════
   RESPONSIVE — モバイル (640px)
═══════════════════════════════ */
@media (max-width: 640px) {
  .aube-container { padding: 0 1.5rem; }
  .aube-section   { padding: 4.5rem 0; }

  /* ヘッダー */
  .aube-nav { display: none; }
  .aube-hamburger { display: flex; }
  .aube-header__inner { padding: 1.1rem 1.5rem; }

  /* ヒーロー */
  .aube-hero__left { padding: 3.5rem 1.5rem 3rem; }
  .hero-title { font-size: clamp(2.4rem, 10vw, 3.2rem); }
  .hero-desc  { max-width: 100%; }
  .aube-hero__right { min-height: 70vw; }
  .hero-circle {
    width: clamp(160px, 55vw, 220px);
    height: clamp(160px, 55vw, 220px);
  }

  /* News */
  .news-grid { grid-template-columns: 1fr; }

  /* Business */
  .business-grid { grid-template-columns: 1fr; }

  /* MVV */
  .mvv-item { padding: 2rem 1.5rem; }
  .values-grid {
    grid-template-columns: 1fr;
    margin-left: 0;
    gap: 1rem;
  }
  .values-connector-branch { display: none; }

  /* Biography */
  .bio-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .bio-photo-wrap {
    max-width: 200px;
    margin: 0 auto;
    padding: 1.5rem;
  }
  .bio-tag {
    bottom: 0;
    right: -0.5rem;
  }

  /* Footer */
  .aube-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
  .footer-links { flex-wrap: wrap; gap: 1rem; }

  /* Section title */
  .section-title { font-size: clamp(1.5rem, 7vw, 2rem); }
}

/* ═══════════════════════════════
   RESPONSIVE — 小さいスマホ (375px)
═══════════════════════════════ */
@media (max-width: 375px) {
  .aube-container { padding: 0 1.2rem; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-ghost { width: 100%; text-align: center; }
}

/* ═══════════════════════════════
   投稿・一覧ページ共通
═══════════════════════════════ */

/* ページヒーロー */
.aube-page-hero {
  background: var(--ivory-dark);
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.page-hero-inner { max-width: 760px; }

.page-breadcrumb {
  font-family: var(--fl);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.page-breadcrumb a {
  color: var(--charcoal-2);
  transition: color 0.3s;
}
.page-breadcrumb a:hover { color: var(--gold); }

.page-hero-title {
  font-family: var(--fd);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.page-hero-sub {
  font-family: var(--fd);
  font-size: 1rem;
  font-style: italic;
  color: var(--charcoal-2);
  letter-spacing: 0.06em;
}

.page-hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.page-meta-date {
  font-family: var(--fl);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-meta-cat {
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--charcoal-2);
  padding: 0.2rem 0.7rem;
}

/* メインエリア */
.aube-page-main {
  padding: 5rem 0 7rem;
}

/* ─────────────────────────────
   投稿ページ
───────────────────────────── */
.post-layout { max-width: 760px; margin: 0 auto; }

.post-thumbnail {
  margin-bottom: 3rem;
  border-radius: 4px;
  overflow: hidden;
}

.post-body {
  font-size: 0.92rem;
  line-height: 2.2;
  color: var(--charcoal);
}

.post-body h2 {
  font-family: var(--fd);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  margin: 3rem 0 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.post-body h3 {
  font-family: var(--fd);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--charcoal);
  margin: 2rem 0 0.8rem;
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
}

.post-body p { margin-bottom: 1.5em; }

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1.5rem 0;
}

.post-body a {
  color: var(--gold);
  border-bottom: 1px solid rgba(184,154,106,0.3);
  transition: border-color 0.3s;
}
.post-body a:hover { border-bottom-color: var(--gold); }

.post-body blockquote {
  border-left: 2px solid var(--gold);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--ivory-dark);
  font-family: var(--fd);
  font-style: italic;
  font-size: 1rem;
  color: var(--charcoal-2);
}

/* 前後ナビ */
.post-nav {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.post-nav-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}
.post-nav-item:hover {
  background: var(--white);
  border-color: var(--gold);
}

.post-nav-next { text-align: right; }

.post-nav-label {
  font-family: var(--fl);
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

.post-nav-title {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--charcoal);
}

.post-back {
  margin-top: 3rem;
  text-align: center;
}

/* ─────────────────────────────
   一覧ページ
───────────────────────────── */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.archive-item {
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  display: block;
}
.archive-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(44,42,39,0.09);
}

.archive-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--ivory-dark);
}
.archive-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fd);
  font-size: 1.5rem;
  color: var(--gold-light);
  letter-spacing: 0.2em;
}

.archive-body { padding: 1.8rem; }

.archive-date {
  font-family: var(--fl);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

.archive-title {
  font-family: var(--fb);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--charcoal);
  margin-bottom: 0.8rem;
}

.archive-excerpt {
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--charcoal-2);
  margin-bottom: 1rem;
}

.archive-arrow {
  font-family: var(--fl);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--gold-light);
}

/* ページネーション */
.archive-pagination {
  text-align: center;
  margin-bottom: 3rem;
}
.archive-pagination .page-numbers {
  display: inline-flex;
  gap: 0.5rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.archive-pagination .page-numbers li a,
.archive-pagination .page-numbers li span {
  font-family: var(--fl);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--charcoal-2);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: block;
  transition: all 0.3s;
}
.archive-pagination .page-numbers li a:hover,
.archive-pagination .page-numbers li .current {
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
}

.archive-empty {
  text-align: center;
  padding: 5rem 0;
  font-family: var(--fd);
  font-style: italic;
  color: var(--charcoal-2);
  font-size: 1.1rem;
}

/* ─────────────────────────────
   レスポンシブ（投稿・一覧）
───────────────────────────── */
@media (max-width: 640px) {
  .aube-page-hero { padding: 3.5rem 0 2.5rem; }
  .post-nav-inner { grid-template-columns: 1fr; }
  .archive-grid   { grid-template-columns: 1fr; }
}