/* ============================================================
   101 SAMPLE RESIDENCE — 高級賃貸・デザイナーズ/ヴィンテージ仲介
   エディトリアル雑誌型 / 白基調 / Playfair Display × Inter × Noto Sans JP
   ============================================================ */

:root {
  --white: #FFFFFF;
  --paper: #F7F6F3;
  --sumi: #1C1B19;
  --sumi-soft: #55524C;
  --wine: #7A2E2E;
  --wine-deep: #5E2323;
  --line: #E3E0DA;
  --img-bg: #EDEBE6;
  --serif: 'Playfair Display', 'Noto Serif JP', serif;
  --sans-en: 'Inter', sans-serif;
  --sans-jp: 'Noto Sans JP', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  overflow-x: hidden;
  padding-top: 36px; /* デモバー分 */
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 1.9;
  color: var(--sumi);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

/* ─── DEMO BAR ─────────────────────────────────────────── */
#demo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 2000;
  background: #141311;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 7px 0;
}
.demo-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.7rem; color: rgba(255,255,255,0.4);
}
.demo-badge {
  font-family: var(--sans-en);
  font-size: 0.54rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  background: rgba(122,46,46,0.35); color: #E8C4C4;
  padding: 3px 10px; flex-shrink: 0;
}
.demo-link { color: #E8C4C4; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(255,255,255,0.18); font-size: 0.62rem; margin-left: 4px; }
@media (max-width: 640px) { .demo-copy { display: none; } }

/* ─── HEADER（雑誌型2段） ───────────────────────────────── */
.site-header {
  position: sticky; top: 36px; z-index: 900;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line); }

.header-top { position: relative; text-align: center; padding: 24px 0 12px; }
.brand { display: inline-block; }
.brand-name {
  font-family: var(--serif);
  font-size: 26px; font-weight: 500; letter-spacing: 0.32em;
  text-indent: 0.32em; /* letter-spacing の右余り補正 */
}
.brand-sub {
  font-family: var(--sans-en);
  font-size: 9px; letter-spacing: 0.5em; text-indent: 0.5em;
  color: var(--sumi-soft); text-transform: uppercase;
  margin-top: 4px;
}

.header-nav ul {
  display: flex; justify-content: center; gap: 44px;
  padding: 4px 0 18px;
}
.header-nav ul a {
  font-family: var(--sans-en);
  font-size: 11px; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--sumi);
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.header-nav ul a:hover,
.header-nav ul a:focus { color: var(--wine); border-bottom-color: var(--wine); }
.header-nav ul a .jp {
  display: block; font-family: var(--sans-jp);
  font-size: 9px; font-weight: 400; letter-spacing: 0.2em;
  color: var(--sumi-soft); text-align: center; margin-top: 2px;
}

/* モバイル用ナビ付属要素は PC 非表示 */
.hamburger, .mobile-nav-close, .mobile-nav-home, .mobile-nav-foot { display: none; }

/* ─── ボタン ───────────────────────────────────────────── */
/* 墨背景×白文字 = 15.9:1 / hover ワイン#7A2E2E×白 = 9.3:1（AA達成） */
.btn {
  display: inline-block;
  font-family: var(--sans-jp);
  font-size: 13px; font-weight: 500; letter-spacing: 0.28em; text-indent: 0.28em;
  padding: 17px 52px;
  background: var(--sumi); color: var(--white);
  border: 1px solid var(--sumi);
  transition: background 0.35s, border-color 0.35s;
  cursor: pointer;
}
.btn:hover, .btn:focus { background: var(--wine); border-color: var(--wine); color: var(--white); }
.btn:active { background: var(--wine-deep); border-color: var(--wine-deep); color: var(--white); }

/* ゴースト（白地×墨枠） = 墨文字15.9:1 / hoverで反転 */
.btn-ghost { background: var(--white); color: var(--sumi); border: 1px solid var(--sumi); }
.btn-ghost:hover, .btn-ghost:focus { background: var(--sumi); color: var(--white); }
.btn-ghost:active { background: var(--wine-deep); border-color: var(--wine-deep); color: var(--white); }

/* ─── REVEAL（CSS-only・JS非依存） ─────────────────────── */
.reveal { opacity: 1; animation: reveal-in 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
@keyframes reveal-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
.reveal-d1 { animation-delay: 0.12s; }
.reveal-d2 { animation-delay: 0.24s; }
.reveal-d3 { animation-delay: 0.36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-d1, .reveal-d2, .reveal-d3 { animation: none; opacity: 1; transform: none; }
  .frame img { animation: none; transform: none; }
}

/* 画像のわずかなスケールダウン（読み込み時・CSSのみ） */
.frame { overflow: hidden; background: var(--img-bg); }
.frame img {
  width: 100%; height: 100%; object-fit: cover;
  animation: img-settle 1.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes img-settle {
  from { transform: scale(1.04); }
  to   { transform: scale(1); }
}

/* ─── セクション共通 ──────────────────────────────────── */
.section { padding: 110px 0; }
.section-paper { background: var(--paper); }

.sec-label {
  font-family: var(--sans-en);
  font-size: 11px; font-weight: 600; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--wine);
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 22px;
}
.sec-label::after { content: ""; width: 56px; height: 1px; background: var(--wine); }
.sec-label.center { justify-content: center; }
.sec-label.center::before { content: ""; width: 56px; height: 1px; background: var(--wine); }

.sec-title {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500; line-height: 1.4; letter-spacing: 0.06em;
  margin-bottom: 26px;
}
.sec-title em { font-style: italic; font-weight: 400; }
.sec-lead { max-width: 620px; color: var(--sumi-soft); }
.center .sec-lead, .sec-lead.center { margin: 0 auto; text-align: center; }

/* ─── HERO（センターステージ型） ────────────────────────── */
.hero-visual { padding: 0; }
/* 21:9 のままだと横幅の広い画面で画像だけがファーストビューを占め、
   キャッチ・リード・CTA が折り返しの下に落ちる（ノートPC実機・thumb撮影とも）。
   画面高で上限を掛け、初見でコピーまで届くようにする。
   ※ aspect-ratio + max-height だと幅まで縮んで右に余白が出るため、height を直接指定して
     幅は常に100%に保ち、はみ出しは img の object-fit: cover に任せる */
.hero-visual .frame { width: 100%; height: min(48vh, calc(100vw * 9 / 21)); }

.hero-copy { text-align: center; padding: 68px 0 104px; }
.hero-eyebrow {
  font-family: var(--sans-en);
  font-size: 11px; font-weight: 600; letter-spacing: 0.45em; text-indent: 0.45em;
  text-transform: uppercase; color: var(--wine);
  margin-bottom: 30px;
}
.hero-copy h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 78px);
  font-weight: 500; line-height: 1.35; letter-spacing: 0.08em;
  margin-bottom: 30px;
}
.hero-copy .lead {
  max-width: 560px; margin: 0 auto 44px;
  color: var(--sumi-soft); font-size: 15px;
}
.hero-cta { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

/* ─── NEWS（上部配置） ─────────────────────────────────── */
.news-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 56px 0; }
.news-strip-inner { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; }
.news-head .sec-label { margin-bottom: 10px; }
.news-head .more {
  font-family: var(--sans-en); font-size: 11px; letter-spacing: 0.2em;
  color: var(--sumi-soft); text-decoration: underline; text-underline-offset: 4px;
}
.news-head .more:hover, .news-head .more:focus { color: var(--wine); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list li:last-child { border-bottom: none; }
.news-list a {
  display: grid; grid-template-columns: 110px 96px 1fr; gap: 20px; align-items: baseline;
  padding: 16px 4px; transition: background 0.3s;
}
.news-list a:hover, .news-list a:focus { background: var(--paper); }
.news-date { font-family: var(--sans-en); font-size: 12px; letter-spacing: 0.1em; color: var(--sumi-soft); }
.news-cat {
  font-size: 10px; letter-spacing: 0.16em; color: var(--wine);
  border: 1px solid var(--wine); padding: 2px 10px; text-align: center; white-space: nowrap;
}
.news-title-t { font-size: 14px; }

/* ─── PHILOSOPHY ──────────────────────────────────────── */
.philosophy-grid {
  display: grid; grid-template-columns: 5fr 6fr; gap: 80px; align-items: center;
}
.philosophy-grid .frame { aspect-ratio: 4 / 5; }
.philosophy-body .sec-title { margin-bottom: 30px; }
.philosophy-body p { color: var(--sumi-soft); margin-bottom: 18px; }
.philosophy-body .btn { margin-top: 26px; }

/* ─── SELECTION（物件6件） ────────────────────────────── */
.selection-head { text-align: center; margin-bottom: 64px; }
.property-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 36px; }
.property-card { display: block; }
.property-card .frame { aspect-ratio: 4 / 3; margin-bottom: 20px; }
.property-card:hover img, .property-card:focus img { transform: scale(1.03); transition: transform 0.9s ease; }
.prop-tag {
  font-family: var(--sans-en);
  font-size: 10px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--wine); margin-bottom: 8px;
}
.prop-name { font-family: var(--serif); font-size: 20px; font-weight: 500; letter-spacing: 0.04em; margin-bottom: 8px; }
.prop-spec { font-size: 12.5px; color: var(--sumi-soft); letter-spacing: 0.06em; }
.prop-rent { font-family: var(--sans-en); font-size: 14px; letter-spacing: 0.04em; margin-top: 6px; }
.prop-rent small { font-size: 11px; color: var(--sumi-soft); }
.selection-foot { text-align: center; margin-top: 64px; }

/* ─── FLOW（内見〜入居） ──────────────────────────────── */
.flow-list { max-width: 760px; margin: 0 auto; counter-reset: flow; }
.flow-item {
  display: grid; grid-template-columns: 96px 1fr; gap: 36px;
  padding: 34px 8px; border-bottom: 1px solid var(--line);
}
.flow-item:first-child { border-top: 1px solid var(--line); }
.flow-num {
  font-family: var(--serif); font-style: italic;
  font-size: 34px; color: var(--wine); line-height: 1;
}
.flow-body h3 { font-size: 17px; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 8px; }
.flow-body p { font-size: 13.5px; color: var(--sumi-soft); }

/* ─── CONCIERGE ───────────────────────────────────────── */
.concierge-grid {
  display: grid; grid-template-columns: 6fr 5fr; gap: 80px; align-items: center;
}
.concierge-grid .frame { aspect-ratio: 3 / 4; order: 2; }
.concierge-body { order: 1; }
.concierge-name { font-size: 15px; font-weight: 700; letter-spacing: 0.1em; margin-top: 26px; }
.concierge-name span {
  font-family: var(--sans-en); font-size: 10px; font-weight: 400;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--sumi-soft);
  display: block; margin-bottom: 4px;
}
.concierge-body p { color: var(--sumi-soft); margin-bottom: 16px; }

/* ─── CTA ─────────────────────────────────────────────── */
.cta-band { background: var(--sumi); color: var(--white); text-align: center; padding: 110px 0; }
.cta-band .sec-label { color: #D9AFAF; justify-content: center; }
.cta-band .sec-label::after, .cta-band .sec-label::before { background: #D9AFAF; }
.cta-band h2 {
  font-family: var(--serif); font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 500; letter-spacing: 0.08em; line-height: 1.5; margin-bottom: 22px;
}
.cta-band p { color: rgba(255,255,255,0.72); max-width: 560px; margin: 0 auto 42px; font-size: 14px; }
/* 白背景×墨文字 = 15.9:1 / hover ワイン×白 = 9.3:1 */
.cta-band .btn { background: var(--white); color: var(--sumi); border-color: var(--white); }
.cta-band .btn:hover, .cta-band .btn:focus { background: var(--wine); color: var(--white); border-color: var(--wine); }
.cta-band .btn:active { background: var(--wine-deep); color: var(--white); border-color: var(--wine-deep); }
.cta-tel { margin-top: 34px; font-family: var(--sans-en); font-size: 24px; letter-spacing: 0.1em; color: var(--white); }
.cta-tel small { display: block; font-family: var(--sans-jp); font-size: 11px; color: rgba(255,255,255,0.6); letter-spacing: 0.2em; margin-top: 6px; }

/* ─── ページ共通ヘッダ（下層） ─────────────────────────── */
.page-head { text-align: center; padding: 96px 0 72px; border-bottom: 1px solid var(--line); }
.page-head .sec-label { justify-content: center; }
.page-head .sec-label::before { content: ""; width: 56px; height: 1px; background: var(--wine); }
.page-head h1 {
  font-family: var(--serif); font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 500; letter-spacing: 0.08em; line-height: 1.4;
}
.page-head .jp-sub { color: var(--sumi-soft); font-size: 13px; letter-spacing: 0.24em; margin-top: 14px; }

/* ─── ABOUT ───────────────────────────────────────────── */
.about-message { max-width: 720px; margin: 0 auto; }
.about-message .sec-title { text-align: center; }
.about-message p { color: var(--sumi-soft); margin-bottom: 20px; }
.about-sign { text-align: right; margin-top: 36px; font-size: 14px; letter-spacing: 0.12em; }
.about-sign strong { font-size: 17px; margin-left: 12px; }

.company-table { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
.company-table dl {
  display: grid; grid-template-columns: 220px 1fr; gap: 0 40px;
  border-bottom: 1px solid var(--line); padding: 20px 8px;
}
.company-table dt { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; color: var(--sumi-soft); }
.company-table dd { font-size: 14px; }

/* ─── PROPERTIES 一覧ページ ───────────────────────────── */
.properties-note {
  max-width: 760px; margin: 0 auto 64px; text-align: center;
  font-size: 12.5px; color: var(--sumi-soft);
}

/* ─── CONTACT ─────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 80px; align-items: start; }
.contact-form .field { margin-bottom: 26px; }
.contact-form label {
  display: block; font-size: 12.5px; font-weight: 700; letter-spacing: 0.14em; margin-bottom: 8px;
}
.contact-form label .req {
  font-size: 10px; color: var(--wine); border: 1px solid var(--wine);
  padding: 1px 8px; margin-left: 10px; letter-spacing: 0.1em;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 14px 16px;
  font-family: var(--sans-jp); font-size: 14px; color: var(--sumi);
  background: var(--paper); border: 1px solid var(--line);
  transition: border-color 0.3s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--wine);
}
.contact-form textarea { min-height: 170px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-submit-wrap { text-align: center; margin-top: 40px; }
.form-note { font-size: 12px; color: var(--sumi-soft); margin-top: 16px; }

.contact-info h2 {
  font-family: var(--serif); font-size: 22px; font-weight: 500; letter-spacing: 0.08em; margin-bottom: 20px;
}
.contact-info p { font-size: 13.5px; color: var(--sumi-soft); margin-bottom: 16px; }
.contact-info .info-tel { font-family: var(--sans-en); font-size: 26px; letter-spacing: 0.08em; color: var(--sumi); margin: 10px 0 4px; }
.contact-info .info-hours { font-size: 12px; color: var(--sumi-soft); }
.contact-info .info-block { border-top: 1px solid var(--line); padding-top: 24px; margin-top: 24px; }
.contact-info .info-block h3 { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; margin-bottom: 8px; }

/* ─── NEWS ページ ─────────────────────────────────────── */
.news-page-list { max-width: 820px; margin: 0 auto; }
.news-page-list .news-list a { grid-template-columns: 120px 100px 1fr; }
.article { max-width: 720px; margin: 0 auto; }
.article-meta { display: flex; gap: 18px; align-items: center; margin-bottom: 22px; }
.article h1 {
  font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.6;
  letter-spacing: 0.04em; margin-bottom: 36px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.article p { color: var(--sumi-soft); margin-bottom: 20px; }
.article .back-link {
  display: inline-block; margin-top: 44px;
  font-family: var(--sans-en); font-size: 12px; letter-spacing: 0.2em;
  color: var(--sumi); text-decoration: underline; text-underline-offset: 4px;
}
.article .back-link:hover, .article .back-link:focus { color: var(--wine); }

/* ─── PRIVACY ─────────────────────────────────────────── */
.privacy-body { max-width: 760px; margin: 0 auto; }
.privacy-body h2 {
  font-size: 17px; font-weight: 700; letter-spacing: 0.1em;
  margin: 44px 0 14px; padding-left: 16px; border-left: 2px solid var(--wine);
}
.privacy-body p, .privacy-body li { font-size: 13.5px; color: var(--sumi-soft); margin-bottom: 12px; }
.privacy-body ul { padding-left: 24px; list-style: disc; }

/* ─── FOOTER ──────────────────────────────────────────── */
.site-footer { background: var(--sumi); color: rgba(255,255,255,0.75); padding: 80px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 60px; margin-bottom: 56px; }
.footer-brand .brand-name { color: var(--white); font-size: 22px; }
.footer-brand .brand-sub { color: rgba(255,255,255,0.45); }
.footer-brand address {
  font-style: normal; font-size: 12.5px; line-height: 2; margin-top: 20px;
  color: rgba(255,255,255,0.6);
}
.footer-nav { display: flex; gap: 44px; }
.footer-nav a {
  font-family: var(--sans-en); font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.footer-nav a:hover, .footer-nav a:focus { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }
.footer-foot {
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.footer-foot small { font-family: var(--sans-en); font-size: 11px; letter-spacing: 0.08em; color: rgba(255,255,255,0.4); }
.footer-foot a { font-size: 11.5px; color: rgba(255,255,255,0.6); }
.footer-foot a:hover, .footer-foot a:focus { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   MOBILE（〜767px）
   ============================================================ */
@media (max-width: 767px) {

  .container { padding: 0 22px; }
  .section { padding: 72px 0; }

  /* ヘッダー: ロゴ中央＋ハンバーガー右 */
  .header-top { padding: 18px 0 14px; }
  .brand-name { font-size: 20px; }

  .hamburger {
    display: block;
    position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
    z-index: 1100;
    width: 44px; height: 44px;
    background: none; border: none; cursor: pointer;
  }
  .hamburger span {
    display: block; width: 24px; height: 1.5px; background: var(--sumi);
    margin: 5px auto; transition: transform 0.35s, opacity 0.35s;
  }
  .hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .hamburger.is-open span:nth-child(2) { opacity: 0; }
  .hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  /* ナビ: 白フルスクリーン・雑誌の目次風（不透明ソリッド） */
  .header-nav {
    position: fixed; inset: 0;
    background: var(--white);
    z-index: 1000;
    padding: 110px 34px 44px;
    overflow-y: auto;
    visibility: hidden; opacity: 0;
    transition: opacity 0.4s ease, visibility 0s linear 0.4s;
  }
  .header-nav.is-open {
    visibility: visible; opacity: 1;
    transition: opacity 0.4s ease;
  }
  .header-nav ul { display: block; padding: 0; }
  .header-nav ul li {
    border-bottom: 1px solid var(--line);
    opacity: 0; transform: translateY(12px);
  }
  .header-nav.is-open ul li {
    opacity: 1; transform: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .header-nav.is-open ul li:nth-child(1) { transition-delay: 0.08s; }
  .header-nav.is-open ul li:nth-child(2) { transition-delay: 0.16s; }
  .header-nav.is-open ul li:nth-child(3) { transition-delay: 0.24s; }
  .header-nav.is-open ul li:nth-child(4) { transition-delay: 0.32s; }
  .header-nav.is-open ul li:nth-child(5) { transition-delay: 0.40s; }
  .header-nav.is-open ul li:nth-child(6) { transition-delay: 0.48s; }
  .header-nav ul a {
    display: flex; align-items: baseline; gap: 18px;
    font-size: 15px; letter-spacing: 0.2em;
    padding: 18px 4px; border-bottom: none;
  }
  .header-nav ul a .num {
    font-family: var(--serif); font-style: italic;
    font-size: 12px; color: var(--wine);
  }
  .header-nav ul a .jp { display: inline; margin: 0 0 0 auto; font-size: 10px; }

  /* 閉じるボタン（明示・右上） */
  .mobile-nav-close {
    display: block;
    position: absolute; top: 54px; right: 22px;
    background: none; border: 1px solid var(--sumi);
    font-family: var(--sans-jp); font-size: 12px; letter-spacing: 0.18em;
    color: var(--sumi); padding: 10px 18px; cursor: pointer;
  }
  .mobile-nav-close:hover, .mobile-nav-close:focus { background: var(--sumi); color: var(--white); }

  /* HOMEリンク（アクセント強調） */
  .mobile-nav-home {
    display: block;
    margin: 30px 0 0;
    text-align: center;
    font-family: var(--sans-en); font-size: 13px; font-weight: 600; letter-spacing: 0.3em; text-indent: 0.3em;
    background: var(--wine); color: var(--white);
    padding: 16px 10px;
  }
  .mobile-nav-home:hover, .mobile-nav-home:focus { background: var(--wine-deep); color: var(--white); }
  .mobile-nav-foot {
    display: block; margin-top: 22px; text-align: center;
    font-family: var(--serif); font-style: italic;
    font-size: 11px; color: var(--sumi-soft); letter-spacing: 0.14em;
  }

  /* 透け防止: スタッキングコンテキスト解除（動的クラス含む） */
  .site-header, .site-header.is-scrolled, .site-header.menu-active {
    background: var(--white) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* HERO */
  .hero-visual .frame { height: auto; aspect-ratio: 4 / 3; }
  .hero-copy { padding: 60px 0 68px; }
  .hero-copy h1 { font-size: clamp(30px, 8.6vw, 40px); }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 320px; text-align: center; }

  /* NEWS */
  .news-strip { padding: 44px 0; }
  .news-strip-inner { grid-template-columns: 1fr; gap: 20px; }
  .news-list a { grid-template-columns: 92px 1fr; gap: 8px 14px; padding: 14px 2px; }
  .news-list .news-title-t { grid-column: 1 / -1; }
  .news-page-list .news-list a { grid-template-columns: 92px 1fr; }
  .news-page-list .news-list .news-title-t { grid-column: 1 / -1; }

  /* 各グリッド → 1カラム */
  .philosophy-grid { grid-template-columns: 1fr; gap: 40px; }
  .property-grid { grid-template-columns: 1fr; gap: 44px; }
  .concierge-grid { grid-template-columns: 1fr; gap: 40px; }
  .concierge-grid .frame { order: 1; }
  .concierge-body { order: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-nav { flex-wrap: wrap; gap: 20px 28px; }
  .company-table dl { grid-template-columns: 1fr; gap: 4px; }
  .flow-item { grid-template-columns: 60px 1fr; gap: 20px; padding: 26px 2px; }
  .flow-num { font-size: 26px; }

  /* CONTACT: ①ページレイアウト2カラム解除 */
  .contact-grid, .contact-layout, .contact-wrap, .contact-flex,
  [class*="contact-grid"], [class*="contact-layout"], [class*="contact-wrap"] {
    display: block !important;
    grid-template-columns: 1fr !important;
    flex-direction: column !important;
    gap: 32px;
  }
  .contact-info { margin-top: 48px; }

  /* CONTACT: ②フォーム内部の2カラム解除 */
  .form-row, .form-grid, .form-2col, .form-pair, .input-row, .input-grid,
  [class*="form-row"], [class*="form-grid"], [class*="two-col"] {
    display: block !important;
    grid-template-columns: 1fr !important;
  }
  form input[type="text"], form input[type="email"], form input[type="tel"],
  form input[type="number"], form textarea, form select,
  .form-row > input, .form-row > textarea, .form-row > select,
  .form-row > div, .form-grid > * {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }
  .form-row, .form-grid { margin-bottom: 1rem; }
  .form-row .field { margin-bottom: 26px; }

  .page-head { padding: 64px 0 52px; }
  .cta-band { padding: 76px 0; }
  .cta-tel { font-size: 21px; }
}