/*
Theme Name: YUNO HOME
Theme URI: https://yunohome.jp
Author: YUNO HOME
Author URI: https://yunohome.jp
Description: 株式会社YUNO HOME 注文住宅 公式テーマ
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yuno-home
*/
/* ═══════════════════════════════════════
   CSS カスタムプロパティ（変数）
═══════════════════════════════════════ */
:root {
  --color-ink: #1a1a1a;
  --color-stone: #4a4540;
  --color-warm: #c8a820;
  --color-warm-d: #a08500;
  --color-bg: #faf9f7;
  --color-bg2: #f5f1df;
  --color-line: #e2dcc8;
}
/* ═══════════════════════════════════════
   リセット・ベース
═══════════════════════════════════════ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 45px;
}
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  background-color: var(--color-bg);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.8;
}
img {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}
/* ═══════════════════════════════════════
   タイポグラフィ
═══════════════════════════════════════ */
.font-serif {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
}
.font-en {
  font-family: 'Montserrat', sans-serif;
}
.label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-warm);
  font-weight: 500;
}
.section-en {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--color-ink);
}
/* ═══════════════════════════════════════
   レイアウト共通
═══════════════════════════════════════ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2%;
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
}
/* ═══════════════════════════════════════
   ヘッダー
═══════════════════════════════════════ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 75px;
  padding: 1.25rem 1.5rem;
  transition:
    background 0.4s,
    box-shadow 0.4s,
    backdrop-filter 0.4s,
    padding 0.4s;
}
/* スクロール後：全ページ共通のソリッド背景 */
#header.scrolled {
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-line);
}
/* 内部ページのスクロール後はさらにコンパクト化 */
#header[data-context='inner'].scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#logo {
  width: 10%;
  position: relative;
  display: inline-block;
}

/* ロゴの重ね合わせ設定 */
.header-logo {
  transition: opacity 0.4s ease;
}
/* 初期状態：スクロール後ロゴを隠す */
.logo-scrolled {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
/* スクロール時：透明度を逆転 */
#header.scrolled .logo-default {
  opacity: 0;
}
#header.scrolled .logo-scrolled {
  opacity: 1;
}

/* ナビリンク：デフォルト白（全ページ共通） */
.header-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}
.header-nav a {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s;
}
.header-nav a:hover {
  color: #fff;
}
.header-nav a.nav-current {
  font-weight: 500;
  border-bottom: 1px solid var(--color-warm);
  padding-bottom: 2px;
  color: var(--color-warm);
}
.header-nav-divider {
  width: 1px;
  height: 1rem;
  background: rgba(255, 255, 255, 0.3);
}
#nav-doc-btn {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  background: none;
  transition:
    background 0.3s,
    color 0.3s;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
}
#nav-doc-btn:hover {
  background: #fff;
  color: var(--color-ink);
}
#hamburger {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
}
#hamburger span {
  display: block;
  width: 1.5rem;
  height: 1px;
  background: #fff;
  transition:
    background 0.3s,
    transform 0.3s;
}
#hamburger span:last-child {
  width: 1rem;
  margin-left: auto;
}
#mobile-menu {
  display: none;
  margin-top: 0.6rem;
  margin-left: -1.5rem;
  margin-right: -1.5rem;
  padding: 1.5rem 3.5rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
}
#mobile-menu.open {
  display: block;
  height: 100vh;
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav-links a {
  padding: 0.75rem 0;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: #4b5563;
  border-bottom: 1px solid #f3f4f6;
  display: block;
}
.mobile-nav-links a.nav-current {
  color: var(--color-warm);
  font-weight: 500;
}
.mobile-nav-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
/* ═══════════════════════════════════════
   ボタン
═══════════════════════════════════════ */
.btn-primary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--color-warm);
  color: var(--color-ink);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  transition:
    background 0.3s,
    color 0.3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--color-warm-d);
  color: #fff;
}
.btn-outline {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid #fff;
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  transition:
    background 0.3s,
    color 0.3s;
  cursor: pointer;
  background: none;
}
.btn-outline:hover {
  background: #fff;
  color: var(--color-ink);
}
.btn-outline-dark {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  transition:
    background 0.3s,
    color 0.3s;
  cursor: pointer;
  background: none;
}
.btn-outline-dark:hover {
  background: var(--color-ink);
  color: #fff;
}
.btn-outline-white {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid #fff;
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  transition:
    background 0.3s,
    color 0.3s;
  cursor: pointer;
  background: none;
}
.btn-outline-white:hover {
  background: #fff;
  color: var(--color-ink);
}
/* ═══════════════════════════════════════
   モーダル
═══════════════════════════════════════ */
#modal-overlay, #modal-overlay-event {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26, 26, 26, 0.6);
  backdrop-filter: blur(4px);
  overflow-y: auto;
  padding: 2rem 1rem;
}
#modal-overlay.open, #modal-overlay-event.open {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
#modal-box, #modal-box-event {
  background: #fff;
  width: 100%;
  max-width: 760px;
  margin: auto;
  position: relative;
}
.modal-header {
  background: var(--color-ink);
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header-text .label {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.25rem;
}
#modal-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  color: #fff;
  font-size: 1.5rem;
}
.modal-close-btn {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.5rem;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}
.modal-close-btn:hover {
  color: #fff;
}
#request-form {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
  color: var(--color-stone);
}
.form-label .req {
  display: inline-block;
  font-size: 0.6rem;
  background: var(--color-warm);
  color: var(--color-ink);
  padding: 0.1rem 0.35rem;
  margin-left: 0.4rem;
  vertical-align: middle;
  letter-spacing: 0.05em;
}
.form-input {
  width: 100%;
  border: 1px solid var(--color-line);
  padding: 0.7rem 0.9rem;
  font-size: 0.85rem;
  font-family: 'Noto Sans JP', sans-serif;
  outline: none;
  transition: border-color 0.2s;
  background: #faf9f7;
}
.form-input:focus {
  border-color: var(--color-warm);
  background: #fff;
}
.form-input.error {
  border-color: #e53e3e;
}
.form-divider {
  border: none;
  border-top: 1px solid var(--color-line);
}
.check-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin-top: 0.5rem;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.8rem;
}
.check-item input[type='checkbox'] {
  accent-color: var(--color-warm);
  width: 1rem;
  height: 1rem;
}
.subtext {
  font-size: 0.75rem;
  color: var(--color-stone);
  margin-bottom: 0.5rem;
}
.file-drop {
  border: 1px dashed var(--color-line);
  background: #faf9f7;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.file-drop:hover {
  border-color: var(--color-warm);
  background: #fff8ee;
}
.file-drop input[type='file'] {
  display: none;
}
.file-drop-icon {
  font-size: 1.5rem;
  color: var(--color-line);
  margin-bottom: 0.5rem;
}
.file-drop-text {
  font-size: 0.75rem;
  color: var(--color-stone);
}
.file-drop-name {
  font-size: 0.75rem;
  color: var(--color-warm);
  margin-top: 0.25rem;
}
.error-msg {
  font-size: 0.7rem;
  color: #e53e3e;
  margin-top: 0.25rem;
  display: none;
}
.error-msg.show {
  display: block;
}
.form-submit-wrap {
  padding-top: 0.5rem;
}
.btn-submit {
  display: block;
  width: 100%;
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}
.form-privacy-note {
  font-size: 0.75rem;
  color: var(--color-stone);
  text-align: center;
  margin-top: 0.75rem;
}
#form-success {
  display: none;
  padding: 5rem 2rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#form-success.show {
  display: flex;
}
.success-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--color-bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.success-icon i {
  font-size: 1.5rem;
  color: var(--color-warm);
}
.success-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.success-body {
  font-size: 0.875rem;
  color: var(--color-stone);
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ═══════════════════════════════════════
   Contact Form 7 スタイル上書き
═══════════════════════════════════════ */
/* CF7 フォーム全体レイアウト */
.wpcf7 form,
.wpcf7-form {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
/* CF7 入力フィールドのエラー状態 */
.wpcf7-form-control.wpcf7-not-valid { border-color: #e53e3e !important; }
/* CF7 インラインエラーメッセージ */
.wpcf7-not-valid-tip {
  font-size: 0.7rem;
  color: #e53e3e;
  margin-top: 0.25rem;
  display: block;
}
/* CF7 チェックボックスリスト */
.check-group .wpcf7-list-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  margin: 0;
}
.check-group .wpcf7-list-item input[type='checkbox'] {
  accent-color: var(--color-warm);
  width: 1rem;
  height: 1rem;
}
.check-group .wpcf7-list-item-label { cursor: pointer; }
/* CF7 ファイルアップロードUI */
.file-drop-cf7 {
  border: 1px dashed var(--color-line);
  background: #faf9f7;
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.file-drop-cf7:hover { border-color: var(--color-warm); background: #fff8ee; }
.file-drop-cf7 .wpcf7-file {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}
/* CF7 全体メッセージ・スピナーを非表示（カスタム成功画面で代替） */
.wpcf7-response-output { display: none !important; }
.wpcf7-spinner { display: none !important; }
/* CF7 送信ボタン */
.wpcf7-submit {
  display: block;
  width: 100%;
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}
/* CF7 送信中状態 */
.wpcf7-form.submitting .wpcf7-submit { opacity: 0.6; pointer-events: none; }
/* ═══════════════════════════════════════
   ヒーロー
═══════════════════════════════════════ */
#hero {
  height: 100svh;
  min-height: 600px;
  background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 26, 0.72) 0%,
    rgba(26, 26, 26, 0.35) 60%,
    rgba(26, 26, 26, 0.15) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 10;
}
.hero-eyebrow {
  display: block;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
  transition-delay: 120ms;
}
.hero-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
  transition-delay: 240ms;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  transition-delay: 360ms;
}
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.scroll-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}
.scroll-bar {
  width: 1px;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.scroll-dot {
  width: 100%;
  height: 50%;
  background: rgba(255, 255, 255, 0.6);
  position: absolute;
  top: 0;
  animation: scrollDown 1.6s ease-in-out infinite;
}
@keyframes scrollDown {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(12px);
    opacity: 0;
  }
}
/* ═══════════════════════════════════════
   タグラインバンド
═══════════════════════════════════════ */
.tagline-band {
  padding: 3.5rem 0;
  background: var(--color-ink);
  text-align: center;
}
.tagline-en {
  font-family: 'Montserrat', sans-serif;
  color: rgba(255, 255, 255, 0.2);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  user-select: none;
}
.tagline-ja {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  margin-top: 1rem;
}
/* ═══════════════════════════════════════
   フィロソフィー
═══════════════════════════════════════ */
#features {
  padding: 7rem 0;
  background: var(--color-bg);
}
.section-header {
  margin-bottom: 4rem;
}
.feat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
.feat-card {
  border-top: 1px solid var(--color-line);
  padding-top: 2rem;
  transition: border-color 0.3s;
}
.feat-card:hover {
  border-color: var(--color-warm);
}
.num-accent {
  font-family: 'Montserrat', sans-serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-line);
  margin-bottom: 1rem;
}
.feat-card h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.feat-card p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-stone);
}
/* ═══════════════════════════════════════
   コンセプト
═══════════════════════════════════════ */
#concept {
  background: var(--color-bg2);
}
.concept-grid {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 80vh;
}
.concept-img-wrap {
  height: 18rem;
  overflow: hidden;
}
.concept-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.concept-img-wrap:hover img {
  transform: scale(1.06);
}
.concept-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 2rem;
}
.concept-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.35;
  margin-bottom: 2rem;
}
.concept-lead {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-stone);
  margin-bottom: 2rem;
}
.concept-brand {
  border-left: 2px solid var(--color-warm);
  padding-left: 1.5rem;
  margin-bottom: 2.5rem;
}
.concept-brand-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-warm);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.concept-brand-desc {
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-stone);
}
.concept-brand-desc b {
  color: var(--color-warm);
  font-weight: 500;
}
.concept-actions {
  display: flex;
  gap: 1rem;
}
/* ═══════════════════════════════════════
   サービス
═══════════════════════════════════════ */
#service {
  padding: 7rem 0;
  background: var(--color-bg);
}
.service-card {
  position: relative;
  overflow: hidden;
  max-height: 600px;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.85) 0%,
    rgba(26, 26, 26, 0) 55%
  );
}
.service-card img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.service-card:hover img {
  transform: scale(1.05);
}
.service-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2.5rem;
  z-index: 1;
}
.service-eyebrow {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.75rem;
}
.service-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
.service-lead {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 1.5rem;
}
/* ═══════════════════════════════════════
   ギャラリー
═══════════════════════════════════════ */
#works {
  padding: 7rem 0;
  background: var(--color-bg2);
}
.gallery-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 3.5rem;
}
.gallery-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-stone);
  margin-top: 1rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.gal-item {
  overflow: hidden;
}
.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.gal-item:hover img {
  transform: scale(1.06);
}
.gal-item--large {
  height: 420px;
}
.gal-item--medium {
  height: 300px;
}
.gal-item--span2 {
  grid-column: span 2;
}
/* ═══════════════════════════════════════
   イベント
═══════════════════════════════════════ */
#events {
  padding: 7rem 0;
  background: var(--color-bg);
}
.section-subtitle {
  font-size: 0.75rem;
  color: var(--color-stone);
  letter-spacing: 0.1em;
  margin-top: 0.75rem;
}
.events-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.event-item {
  background: #fff;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.event-item.inactive {
  opacity: 0.5;
}
.event-date {
  flex-shrink: 0;
  text-align: center;
  width: 5rem;
}
.event-date-month {
  display: block;
  margin-bottom: 0.25rem;
}
.event-day {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink);
}
.event-dow {
  font-size: 0.75rem;
  color: var(--color-stone);
  margin-top: 0.25rem;
}
.event-divider {
  display: none;
  width: 1px;
  height: 4rem;
  background: var(--color-line);
  flex-shrink: 0;
}
.event-body {
  flex-grow: 1;
}
.event-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-warm);
  border: 1px solid var(--color-warm);
  padding: 0.125rem 0.5rem;
  margin-bottom: 0.75rem;
}
.event-tag.inactive-tag {
  color: #9ca3af;
  border-color: #d1d5db;
}
.event-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.event-info {
  font-size: 0.75rem;
  color: var(--color-stone);
  line-height: 1.8;
}
.event-info i {
  margin-right: 0.25rem;
}
.event-action {
  flex-shrink: 0;
}
.event-disabled-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  border: 1px solid #e5e7eb;
  color: #d1d5db;
  cursor: not-allowed;
}
/* ═══════════════════════════════════════
   会社案内
═══════════════════════════════════════ */
#company {
  padding: 7rem 0;
  background: var(--color-bg2);
}
.company-ceo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 6rem;
}
.ceo-img-wrap {
  overflow: hidden;
}
.ceo-img-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.ceo-img-wrap:hover img {
  transform: scale(1.06);
}
.ceo-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ceo-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
}
.ceo-title {
  font-size: 0.75rem;
  color: var(--color-stone);
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}
.ceo-line {
  width: 2rem;
  height: 1px;
  background: var(--color-warm);
  margin-bottom: 2rem;
}
.ceo-message {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-stone);
}

.ceo-message + p {
  margin-top: 1rem;
}
.divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-line);
}
.company-table {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-line);
}
.company-row {
  background: var(--color-bg2);
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1.5rem;
}
.company-row-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-stone);
  width: 7rem;
  flex-shrink: 0;
  padding-top: 0.125rem;
}
.company-row-value {
  font-size: 0.875rem;
}
/* ═══════════════════════════════════════
   CTAバンド
═══════════════════════════════════════ */
.cta-section {
  padding: 6rem 0;
  background: var(--color-ink);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-bg {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
}
.cta-inner {
  position: relative;
  z-index: 10;
}
.cta-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  color: #fff;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: 1rem;
}
.cta-sub {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
}
.cta-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
/* ═══════════════════════════════════════
   フッター
═══════════════════════════════════════ */
#site-footer {
  background: #111;
  color: #fff;
  padding: 4rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.footer-logo {
  width: 35%;
  margin-bottom: 0.75rem;
}
.footer-address {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
  line-height: 1.6;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
}
.footer-nav a,
.footer-nav button {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
}
.footer-nav a:hover,
.footer-nav button:hover {
  color: #fff;
}
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.1em;
}
/* ═══════════════════════════════════════
   アニメーション（Reveal）
═══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════
   レスポンシブ — スマホ (〜480px)
═══════════════════════════════════════ */
@media (max-width: 480px) {
  #header {
    height: auto;
    padding: 1rem 0.8rem;
  }

  #logo {
    width: 27%;
  }
}
/* ═══════════════════════════════════════
   レスポンシブ — タブレット (768px〜)
═══════════════════════════════════════ */
@media (min-width: 768px) {
  #header {
    padding: 1.25rem 3rem;
  }
  #hamburger {
    display: none;
  }
  .header-nav {
    display: flex;
  }
  .form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .concept-body {
    padding: 5rem 4rem;
  }
  .service-card-body {
    padding: 4rem;
  }
  .gallery-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .gallery-subtitle {
    margin-top: 0;
  }
  .gallery-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .gal-item--g1 {
    grid-column: span 7;
  }
  .gal-item--g2 {
    grid-column: span 5;
  }
  .gal-item--g3 {
    grid-column: span 4;
  }
  .gal-item--g4 {
    grid-column: span 4;
  }
  .gal-item--g5 {
    grid-column: span 4;
  }
  .gal-item--g6 {
    grid-column: span 5;
  }
  .gal-item--g7 {
    grid-column: span 7;
  }
  .event-item {
    flex-direction: row;
    align-items: center;
    padding: 2.5rem;
  }
  .event-divider {
    display: block;
  }
  .tagline-en {
    font-size: clamp(3rem, 10vw, 8rem);
  }
  .company-table {
    grid-template-columns: repeat(2, 1fr);
  }
  .company-row.full-width {
    grid-column: span 2;
  }
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}
/* ═══════════════════════════════════════
   レスポンシブ — デスクトップ (1024px〜)
═══════════════════════════════════════ */
@media (min-width: 1024px) {
  #header {
    padding: 1.25rem 3rem;
  }
  #hero {
    padding-left: 8rem;
    padding-right: 8rem;
  }
  .concept-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .concept-img-wrap {
    height: auto;
  }
  .concept-body {
    padding: 5rem 4rem;
  }
  .company-ceo-grid {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
  }
  .container {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}
/* ═══════════════════════════════════════
   内部ページ共通
═══════════════════════════════════════ */
.page-hero {
  background-size: cover;
  background-position: center;
  padding: 7rem 2rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.page-hero--features {
  background-image:
    linear-gradient(
      135deg,
      rgba(26, 26, 26, 0.8) 0%,
      rgba(26, 26, 26, 0.4) 100%
    ),
    url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?q=80&w=2070&auto=format&fit=crop');
}
.page-hero--specs {
  background-image:
    linear-gradient(
      135deg,
      rgba(26, 26, 26, 0.85) 0%,
      rgba(26, 26, 26, 0.5) 100%
    ),
    url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?q=80&w=2070&auto=format&fit=crop');
}
.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2rem;
}
.page-breadcrumb a {
  color: inherit;
  transition: color 0.2s;
}
.page-breadcrumb a:hover {
  color: #fff;
}
.page-hero-eyebrow {
  display: block;
  margin-bottom: 1rem;
}
.page-hero-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: #fff;
  line-height: 1.35;
  font-size: clamp(2rem, 5vw, 3.5rem);
  transition-delay: 120ms;
}
.page-hero-sub {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  margin-top: 1rem;
  max-width: 36rem;
  line-height: 1.8;
  transition-delay: 240ms;
}
/* スティッキータブナビ */
.sticky-tab-nav {
  position: sticky;
  top: 75px;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--color-line);
  overflow-x: auto;
}
.tab-nav-inner {
  display: flex;
  min-width: max-content;
  padding: 0 1.5rem;
}
.tab-btn {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.85rem 1.4rem;
  border-bottom: 2px solid transparent;
  color: var(--color-stone);
  transition:
    color 0.2s,
    border-color 0.2s;
  white-space: nowrap;
  font-weight: 400;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
}
.tab-btn.active,
.tab-btn:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-warm);
}
/* ジグザグレイアウト */
.zigzag {
  display: grid;
  grid-template-columns: 1fr;
}
.zigzag-img {
  height: 18rem;
  overflow: hidden;
}
.zigzag-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.zigzag-img:hover img {
  transform: scale(1.06);
}
.zigzag-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
}
.str-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-line);
  margin-bottom: 0.5rem;
}
.str-icon {
  width: 64px;
  height: 64px;
  background: var(--color-bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-warm);
  flex-shrink: 0;
}
.str-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.str-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}
.check-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-stone);
}
.check-list-item i {
  color: var(--color-warm);
  margin-top: 0.125rem;
  flex-shrink: 0;
}
.perf-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}
.perf-value-box {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #fff;
  padding: 0.5rem;
  text-align: center;
}
.perf-value-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-warm);
}
.perf-value-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
}
.perf-value-sub {
  font-size: 0.75rem;
  color: var(--color-stone);
  margin-top: 0.25rem;
}
/* スタッツ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
}
.stat-cell {
  background: var(--color-ink);
  padding: 2rem;
  text-align: center;
}
.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-warm);
}
.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
  margin-top: 0.75rem;
}
.spec-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
.spec-card {
  background: #fff;
  border-top: 3px solid var(--color-warm);
  padding: 2rem;
  transition: box-shadow 0.3s;
}
.spec-card:hover {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}
.spec-card-icon {
  font-size: 1.5rem;
  color: var(--color-warm);
  margin-bottom: 1rem;
}
.spec-card h4 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}
.spec-card p {
  font-size: 0.875rem;
  color: var(--color-stone);
  line-height: 1.8;
}
/* デザインギャラリー */
.design-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 4rem;
}
.design-subtitle {
  font-size: 0.75rem;
  color: var(--color-stone);
  letter-spacing: 0.1em;
  margin-top: 1rem;
  line-height: 1.8;
}
.design-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.design-gal-item {
  overflow: hidden;
}
.design-gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.design-gal-item:hover img {
  transform: scale(1.06);
}
.design-gal-h-lg {
  height: 440px;
}
.design-gal-h-md {
  height: 280px;
}
.design-gal-span2 {
  grid-column: span 2;
}
/* 家づくりの流れ */
.flow-steps {
  max-width: 48rem;
  margin: 0 auto;
}
.flow-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.flow-step-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.flow-step-num {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--color-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.flow-step-num.outline {
  background: transparent;
  border: 1px solid var(--color-warm);
}
.flow-step-num span {
  font-family: 'Montserrat', sans-serif;
  color: var(--color-ink);
  font-size: 1.25rem;
  font-weight: 300;
}
.flow-step-num.outline span {
  color: var(--color-warm);
}
.flow-step-line {
  width: 1px;
  flex: 1;
  background: var(--color-line);
  min-height: 60px;
}
.flow-step-body {
  flex: 1;
  padding-bottom: 3rem;
}
.flow-step-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-top: 0.25rem;
  margin-bottom: 0.75rem;
}
.flow-step-meta {
  font-size: 0.75rem;
  color: var(--color-stone);
  margin-top: 1rem;
  background: var(--color-bg2);
  padding: 0.5rem 1rem;
  display: inline-block;
}
.flow-step-meta i {
  color: var(--color-warm);
  margin-right: 0.5rem;
}
/* アフターサポート */
.aftercare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.aftercare-card {
  background: #fff;
  padding: 1.5rem;
  border-top: 2px solid var(--color-warm);
}
.aftercare-year {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-warm);
  margin-bottom: 1rem;
  line-height: 1;
}

.aftercare-card h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* 仕様テーブル */
.spec-table-wrap {
  background: #fff;
  border: 1px solid var(--color-line);
  overflow: hidden;
}
.spec-table-header {
  padding: 1rem 1.5rem;
  background: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.spec-table-header.alt {
  background: var(--color-stone);
}
.spec-table-header i {
  color: var(--color-warm);
  font-size: 0.875rem;
}
.spec-table-header span {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.spec-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  border-bottom: 1px solid var(--color-line);
}
.spec-label {
  padding: 0.8rem;
  background: var(--color-bg2);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-stone);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  border-bottom: 1px solid #fff;
}
.spec-label i {
  color: var(--color-warm);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.spec-value {
  padding: 1rem 1.4rem;
  font-size: 0.85rem;
  line-height: 1.7;
  background: #fff;
  border-bottom: 1px solid var(--color-line);
}
.spec-value p {
  margin-bottom: 0.25rem;
}
.spec-value .spec-note-sub {
  font-size: 0.75rem;
  color: var(--color-stone);
}
.spec-row:last-child,
.spec-row .spec-label:last-of-type,
.spec-row .spec-value:last-of-type {
  border-bottom: none;
}
.perf-card {
  background: #fff;
  border-top: 3px solid var(--color-warm);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow 0.3s;
}
.perf-card:hover {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}
.perf-num {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-warm);
  line-height: 1;
}
.icon-box {
  width: 56px;
  height: 56px;
  background: var(--color-bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-warm);
  flex-shrink: 0;
}
.feature-icons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}
.feature-icon-card {
  background: #fff;
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.feature-icon-card h4 {
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}
.feature-icon-card p {
  font-size: 0.75rem;
  color: var(--color-stone);
  line-height: 1.6;
}
.layer-diagram {
  background: #fff;
  padding: 2rem;
  margin-bottom: 2.5rem;
}
.layer-diagram-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.layer-bars {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.layer-bar {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.72rem;
  font-weight: 500;
}
.layer-bar i {
  margin-right: 0.75rem;
}
.layer-note {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
  font-size: 0.75rem;
  color: var(--color-stone);
  text-align: center;
  line-height: 1.8;
}
.grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.7rem;
  background: var(--color-warm);
  color: var(--color-ink);
  font-size: 0.65rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.opt-badge {
  font-size: 0.6rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  background: var(--color-stone);
  color: #fff;
  padding: 0.1rem 0.4rem;
  letter-spacing: 0.05em;
  vertical-align: middle;
  margin-left: 0.3rem;
}
.std-badge {
  font-size: 0.6rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  background: var(--color-warm);
  color: var(--color-ink);
  padding: 0.1rem 0.4rem;
  letter-spacing: 0.05em;
  vertical-align: middle;
  margin-left: 0.3rem;
}
.spec-tag {
  display: inline-block;
  border: 1px solid var(--color-warm);
  color: var(--color-warm);
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.warranty-timeline {
  background: var(--color-ink);
  padding: 2rem;
  margin-bottom: 2.5rem;
}
.warranty-timeline-label {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: 'Montserrat', sans-serif;
  text-align: center;
  margin-bottom: 2rem;
}
.warranty-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  position: relative;
}
.warranty-steps::before {
  content: '';
  position: absolute;
  top: 1.4rem;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}
.warranty-step {
  text-align: center;
  position: relative;
}
.warranty-step-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  position: relative;
  z-index: 1;
}
.warranty-step-icon.outline {
  background: transparent;
  border: 2px solid var(--color-warm);
}
.warranty-step-icon span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--color-ink);
  font-size: 0.75rem;
}
.warranty-step-icon.outline span {
  color: var(--color-warm);
}
.warranty-step-title {
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.warranty-step-desc {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  line-height: 1.6;
}
.spec-note-box {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--color-line);
}
.spec-note-box p {
  font-size: 0.75rem;
  color: var(--color-stone);
  line-height: 1.8;
}
.section-inner-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 3rem;
}
/* ═══════════════════════════════════════
   レスポンシブ — 特徴・仕様ページ (768px〜)
═══════════════════════════════════════ */
@media (min-width: 768px) {
  .page-hero {
    padding: 10rem 5rem 5rem;
  }
  .zigzag {
    grid-template-columns: repeat(2, 1fr);
  }
  .zigzag-img {
    height: auto;
    min-height: 360px;
  }
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .spec-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .design-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .design-subtitle {
    margin-top: 0;
    max-width: 20rem;
  }
  .design-gallery {
    grid-template-columns: repeat(12, 1fr);
  }
  .design-gal-1 {
    grid-column: span 8;
  }
  .design-gal-2 {
    grid-column: span 4;
  }
  .design-gal-3 {
    grid-column: span 4;
  }
  .design-gal-4 {
    grid-column: span 4;
  }
  .design-gal-5 {
    grid-column: span 4;
  }
  .aftercare-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .flow-step {
    gap: 2.5rem;
  }
  .feature-icons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tab-nav-inner {
    justify-content: center;
  }
  .section-inner-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .perf-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
  }
}

@media (max-width: 480px) {
  .sticky-tab-nav {
    top: 3.9rem;
  }
  .aftercare-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .zigzag-text {
    padding: 1rem 0.7rem;
  }
}