/* =============================================
   星野畳店 メインCSS
   デザイン仕様: ../../../hoshino-tatami-design.md
   ============================================= */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@400;600&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&display=swap');

/* ---------- CSS変数 ---------- */
:root {
  /* カラー */
  --color-primary:   #3D6B4F;
  --color-primary-dark: #2d5340;
  --color-secondary: #8B6914;
  --color-accent:    #C8A96E;
  --color-bg:        #FAFAF7;
  --color-surface:   #F2EDE4;
  --color-text:      #1A1A1A;
  --color-text-sub:  #5C5C5C;
  --color-border:    #E0D9CE;
  --color-white:     #FFFFFF;
  --color-dark:      #1A1A1A;

  /* フォント */
  --font-heading: 'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-body:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en:      'Cormorant Garamond', serif;

  /* スペーシング */
  --sp-xs:  8px;
  --sp-sm:  16px;
  --sp-md:  24px;
  --sp-lg:  40px;
  --sp-xl:  64px;
  --sp-2xl: 96px;

  /* コンテナ */
  --container-max: 1100px;
  --container-px:  16px;

  /* ボーダー半径 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* シャドウ */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);

  /* トランジション */
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--color-primary-dark); }

ul, ol { list-style: none; }

/* ---------- コンテナ ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ---------- セクション共通 ---------- */
.section {
  padding: var(--sp-xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--sp-xs);
  line-height: 1.3;
}

.section-title-en {
  font-family: var(--font-en);
  font-size: 0.875rem;
  color: var(--color-accent);
  text-align: center;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-lg);
  display: block;
}

.section-bg {
  background-color: var(--color-surface);
}

/* ---------- ヘッダー ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: 60px;
  display: flex;
  align-items: center;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 100%;
  gap: 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 100px;
}

.header__logo-img {
  height: 46px;
  width: 46px;
  object-fit: cover;
  display: block;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  flex-shrink: 0;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.header__logo-en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.header__nav {
  display: none;
}

.header__contact {
  display: none; /* SP非表示 */
  align-items: center;
  gap: var(--sp-sm);
}

.header__tel {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ---------- ハンバーガーメニュー ---------- */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-xs);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ---------- ドロワーメニュー（SP） ---------- */
.drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100%;
  background: var(--color-white);
  z-index: 2000;
  padding: var(--sp-xl) var(--sp-lg);
  transition: right 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.drawer.is-open { right: 0; }

.drawer__close {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

.drawer__nav li {
  border-bottom: 1px solid var(--color-border);
}

.drawer__nav a {
  display: block;
  padding: var(--sp-md) 0;
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 600;
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1999;
}

.drawer-overlay.is-open { display: block; }

/* ---------- ヒーローセクション ---------- */
.hero {
  position: relative;
  height: 440px;
  overflow: hidden;
  background: var(--color-dark);
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.hero__slide.is-active { opacity: 1; }

/* ケンバーンズ効果（ゆっくりズームイン） */
.hero__bg {
  position: absolute;
  inset: -8%;
  background-size: cover;
  background-position: top center;
  animation: kenburns 8s ease-out forwards;
}

.hero__slide.is-active .hero__bg {
  animation: kenburns 8s ease-out forwards;
}

@keyframes kenburns {
  0%   { transform: scale(1.08); }
  100% { transform: scale(1.0); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.15) 50%,
    rgba(0,0,0,0.05) 100%
  );
  z-index: 1;
}

.hero__content {
  position: absolute;
  bottom: var(--sp-xl);
  left: var(--sp-md);
  right: var(--sp-md);
  color: var(--color-white);
  z-index: 2;
}

.hero__eyecatch {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  opacity: 0.85;
  margin-bottom: var(--sp-xs);
  font-family: var(--font-body);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--sp-sm);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.hero__subtitle {
  font-size: 0.875rem;
  margin-bottom: var(--sp-md);
  opacity: 0.9;
}

.hero__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.hero__buttons-row {
  display: flex;
  gap: var(--sp-sm);
}

.hero__cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.hero__cta-btn:hover { opacity: 0.85; }

.hero__cta-case {
  background: var(--color-primary);
  color: var(--color-white);
}

.hero__cta-tel {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.hero__cta-mail {
  background: #29B6D8;
  color: var(--color-white);
}

.hero__cta-line {
  background: #06C755;
  color: var(--color-white);
}

/* 右上：理念テキスト */
.hero__philosophy {
  display: none; /* SP は非表示 */
}

/* ---------- スライドインジケーター（ドット） ---------- */
.hero__dots {
  position: absolute;
  bottom: var(--sp-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.hero__dot.is-active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xs);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---------- スマホ固定電話ボタン ---------- */
.btn-call-fixed {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 10px 12px;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}
.btn-call-fixed__tel,
.btn-call-fixed__mail,
.btn-call-fixed__line {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: 0;
  padding: 10px 4px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
}
.btn-call-fixed__tel {
  border: 2px solid var(--color-primary);
  background: #fff;
  color: var(--color-primary);
}
.btn-call-fixed__mail {
  background: #29B6D8;
  color: #fff;
}
.btn-call-fixed__line {
  background: #06C755;
  color: #fff;
}

/* ---------- 理念セクション ---------- */
.philosophy {
  background: var(--color-white);
  padding: var(--sp-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.philosophy__deco {
  color: var(--color-accent);
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  margin-bottom: var(--sp-md);
}

.philosophy__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--sp-lg);
}

.philosophy__text {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-sub);
  text-align: left;
}

@media (min-width: 768px) {
  .philosophy__title { font-size: 1.875rem; }
  .philosophy__text { font-size: 1rem; }
}

/* ---------- 特徴3点セクション ---------- */
.features {
  padding: var(--sp-lg) 0;
  background: #D4E4D0;
  color: var(--color-text);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}

.feature-item {
  text-align: center;
  padding: var(--sp-md);
}

.feature-item__icon {
  font-size: 2rem;
  margin-bottom: var(--sp-sm);
}

.feature-item__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--sp-xs);
}

.feature-item__text {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ---------- サービス一覧 ---------- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-sm);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}

.service-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.service-card__body {
  padding: var(--sp-sm);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: #1a6cb5;
}

.service-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* ---------- 施工事例 写真スライダー（Before/After共通） ---------- */
.case-card__after-slider,
.case-card__before-slider {
  overflow: hidden;
  position: relative;
}
.after-track {
  display: flex;
  transition: transform 0.35s ease;
  height: 100%;
}
.after-track img {
  width: 100%;
  flex-shrink: 0;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.after-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.2s;
}
.after-btn:hover {
  background: rgba(255,255,255,0.45);
}
.after-btn--prev { left: 3px; }
.after-btn--next { right: 3px; }
.after-count {
  position: absolute;
  bottom: 5px;
  right: 6px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 0.62rem;
  padding: 1px 6px;
  border-radius: 999px;
}

/* ---------- 施工事例グリッド ---------- */
.cases__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* カード本体 */
.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Before/After 写真エリア */
.case-card__photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--color-border);
}
.case-card__photo-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-surface);
}
.case-card__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Before/After ラベル */
.case-card__label {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  z-index: 1;
}
.case-card__label--before {
  background: rgba(0,0,0,0.55);
  color: #fff;
}
.case-card__label--after {
  background: var(--color-primary);
  color: #fff;
}

/* 施工後のみ1枚の場合 */
.case-card__photos--single {
  grid-template-columns: 1fr;
}
.case-card__photos--single .case-card__photo-wrap {
  aspect-ratio: 16/9;
}

/* カード本文 */
.case-card__body {
  padding: 1rem 1.1rem 1rem;
}
.case-card__date {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-bottom: 0.3rem;
}
.case-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #1a6cb5;
  margin-bottom: 0.4rem;
}
.case-card__text {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.case-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin-bottom: 0.6rem;
}
.case-card__meta span {
  font-size: 0.78rem;
  color: var(--color-text-sub);
}
.case-card__comment {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0.7rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--color-accent);
}
.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  font-size: 0.75rem;
  color: var(--color-primary);
  background: rgba(61,107,79,0.08);
  padding: 2px 8px;
  border-radius: 100px;
}

/* ---------- ステップフロー ---------- */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.step {
  display: flex;
  gap: var(--sp-md);
  position: relative;
}

.step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: #F9C8D5;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 1.125rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.step__body { padding-top: 10px; }

.step__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.step__text {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* ---------- お客様の声 ---------- */
.reviews__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}

.review-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  box-shadow: var(--shadow-sm);
}

.review-card__stars {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: var(--sp-xs);
}

.review-card__text {
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: var(--sp-sm);
  color: var(--color-text);
}

.review-card__meta {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
}

/* ---------- 料金表 ---------- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.price-table th,
.price-table td {
  padding: var(--sp-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}

.price-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
}

.price-table tr:nth-child(even) td {
  background: var(--color-surface);
}

.price-table .recommended {
  background: rgba(200,169,110,0.12);
  position: relative;
}

.badge-recommended {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: var(--sp-xs);
  vertical-align: middle;
}

.price-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: var(--sp-md);
}

.price-tab {
  flex: 1;
  padding: var(--sp-sm);
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.price-tab.is-active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.price-tab-content { display: none; }
.price-tab-content.is-active { display: block; }

/* ---------- CTA セクション ---------- */
.cta {
  background: #D4E4D0;
  text-align: center;
  padding: var(--sp-xl) 0;
}

.cta__deco {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}
.cta__deco::before,
.cta__deco::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--color-secondary);
}
.cta__deco span {
  color: var(--color-secondary);
  font-size: 1.1rem;
}

.cta__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #2d5a3d;
  margin-bottom: var(--sp-sm);
}

.cta__text {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: var(--sp-lg);
  line-height: 1.8;
}

.cta__tel {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--sp-sm);
}

.cta__hours {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  margin-bottom: var(--sp-lg);
}

.cta__btn-tel {
  background: var(--color-primary);
  color: var(--color-white);
}
.cta__btn-form {
  background: var(--color-secondary);
  color: var(--color-white);
}

/* CTAセクション内のボタンを少し大きめに */
.cta__contact-btn {
  font-size: 1rem !important;
  padding: 10px 22px !important;
}

.cta__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  align-items: center;
}

/* ---------- フッター ---------- */
.footer {
  background: var(--color-dark);
  color: #ccc;
  padding: var(--sp-xl) 0 80px; /* 80px = 固定電話ボタン分 */
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: var(--sp-xs);
}

.footer__tagline {
  font-size: 0.875rem;
  margin-bottom: var(--sp-md);
}

.footer__sns {
  display: flex;
  gap: var(--sp-sm);
}

.footer__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--color-white);
  font-size: 1rem;
  transition: background var(--transition);
}

.footer__sns a:hover { background: var(--color-primary); }

.footer__nav-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--sp-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__nav-list li + li { margin-top: 8px; }

.footer__nav-list a {
  font-size: 0.875rem;
  color: #aaa;
  transition: color var(--transition);
}

.footer__nav-list a:hover { color: var(--color-white); }

.footer__info p {
  font-size: 0.875rem;
  margin-bottom: 6px;
}

.footer__bottom {
  border-top: 1px solid #333;
  padding-top: var(--sp-md);
  text-align: center;
  font-size: 0.8125rem;
  color: #666;
}

/* =============================================
   PC レイアウト（768px〜）
   ============================================= */
@media (min-width: 768px) {
  :root {
    --container-px: 40px;
  }

  .header { height: 72px; }

  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    margin-left: auto;
    margin-right: var(--sp-lg);
  }

  .header__nav a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    transition: color var(--transition);
  }

  .header__nav a:hover { color: var(--color-primary); }

  .hamburger { display: none; }

  /* ヘッダー右：連絡先ボタン群 */
  .header__contact {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  .header__contact-tel {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    text-decoration: none;
    padding: 5px 12px;
    border-radius: 999px;
    border: 2px solid var(--color-primary);
    background: var(--color-white);
    transition: opacity var(--transition);
  }
  .header__contact-tel:hover { opacity: 0.8; }

  .header__contact-btn {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    text-decoration: none;
    transition: opacity var(--transition);
  }
  .header__contact-btn:hover { opacity: 0.85; }

  .header__contact-mail {
    background: #29B6D8;
    color: var(--color-white);
  }

  .header__contact-line {
    background: #06C755;
    color: var(--color-white);
  }

  .hero { height: 560px; }

  /* PC：右半分・理念テキスト（枠なし） */
  .hero__philosophy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    padding: 0 6% 0 4%;
    z-index: 2;
    text-align: left;
  }

  .hero__philosophy-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
  }

  .hero__philosophy-text {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.95);
    line-height: 2;
    margin-bottom: 1rem;
    text-shadow: 0 1px 6px rgba(0,0,0,0.65);
  }
  .hero__philosophy-text:last-child {
    margin-bottom: 0;
  }

  .hero__content {
    bottom: var(--sp-2xl);
    left: 10%;
    right: auto;
    max-width: 580px;
  }

  .hero__title { font-size: 2.75rem; }
  .hero__subtitle { font-size: 1rem; }
  .hero__eyecatch { font-size: 0.9375rem; }

  .features__grid { grid-template-columns: repeat(3, 1fr); }

  .services__grid { grid-template-columns: repeat(5, 1fr); }

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

  .steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .steps::before {
    left: 0;
    top: 24px;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 2px;
  }

  .step {
    flex-direction: column;
    align-items: center;
    flex: 1;
    gap: var(--sp-sm);
  }

  .step__body {
    padding-top: 0;
    text-align: center;
  }

  .reviews__grid { grid-template-columns: repeat(3, 1fr); }

  .cta__buttons {
    flex-direction: row;
    justify-content: center;
  }

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

  /* PC時は固定電話ボタンを非表示 */
  .btn-call-fixed { display: none; }
  .footer { padding-bottom: var(--sp-xl); }
}

/* =============================================
   アクセシビリティ
   ============================================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 4枚グリッド：PC=4列 / スマホ=2×2 ---------- */
.img-grid-4 {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.img-grid-4 > div {
  flex: 0 0 calc(25% - 0.5625rem);
  max-width: calc(25% - 0.5625rem);
}
@media (max-width: 768px) {
  .img-grid-4 > div {
    flex: 0 0 calc(50% - 0.375rem);
    max-width: calc(50% - 0.375rem);
  }
  .header__logo {
    margin-left: 0;
  }

  /* CTA セクション コンパクト化 */
  .cta {
    padding: var(--sp-md) 0;
  }
  .cta__deco {
    display: none;
  }
  .cta__title {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
  }
  .cta__text {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
  }
  .cta__hours {
    font-size: 0.78rem;
    margin-bottom: 0.75rem;
  }
  .cta__buttons {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
  }
  .cta__contact-btn {
    font-size: 0.82rem !important;
    padding: 8px 14px !important;
  }
}

/* ========== CALMOスライダー ========== */
.calmo-slider {
  position: relative;
  overflow: hidden;
}
.calmo-slider__track {
  display: flex;
  transition: transform 0.35s ease;
}
.calmo-slider__slide {
  min-width: 100%;
  flex-shrink: 0;
}
.calmo-slider__slide img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.calmo-slider__label {
  padding: 0.85rem 1.25rem 1rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.calmo-slider__color-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}
.calmo-slider__color-desc {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.65;
}
.calmo-slider__btn {
  position: absolute;
  top: calc(50% - 2rem);
  transform: translateY(-50%);
  background: rgba(255,255,255,0.88);
  border: none;
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  color: var(--color-text);
  transition: background var(--transition);
}
.calmo-slider__btn:hover { background: #fff; }
.calmo-slider__btn--prev { left: 0.6rem; }
.calmo-slider__btn--next { right: 0.6rem; }
.calmo-slider__dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 0 0.9rem;
  background: #fff;
}
.calmo-slider__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background var(--transition);
}
.calmo-slider__dot.active {
  background: var(--color-primary);
}