/* ===================================================
   松葉建築 パターンB
   コンセプト：写真メイン・白ベース・すっきり
   参考：libe-home.com
   =================================================== */

:root {
  --green:      #2A6E44;
  --green-dark: #1A4A2E;
  --green-pale: #EAF4EE;
  --black:      #111111;
  --text:       #2A2A2A;
  --text-mid:   #666666;
  --white:      #FFFFFF;
  --bg:         #F8F8F6;
  --border:     #E5E5E0;
  --transition: 0.3s ease;
  --max-w:      1120px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  color: var(--text);
  line-height: 1.8;
  background: var(--white);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
address { font-style: normal; }

/* ===== 共通 ===== */
.en-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.en-label--white { color: rgba(255,255,255,0.65); }

.section-head-simple {
  text-align: center;
  padding: 0 24px;
  margin-bottom: 52px;
}
.section-head-simple h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
}
.section-sub {
  margin-top: 10px;
  font-size: 0.93rem;
  color: var(--text-mid);
}

/* ===== ヘッダー ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  margin-right: auto;
}
.logo-mark {
  width: 40px; height: 40px;
  background: var(--green);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 900;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  display: block;
}
.logo-sub {
  font-size: 0.6rem;
  color: var(--text-mid);
  display: block;
  letter-spacing: 0.03em;
}

/* PC ナビ */
.header-nav-pc {
  display: flex;
  align-items: center;
}
.header-nav-pc a {
  display: block;
  padding: 0 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  height: 64px;
  line-height: 64px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.header-nav-pc a:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-tel {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
  white-space: nowrap;
  transition: color var(--transition);
}
.header-tel:hover { color: var(--green-dark); }
.header-tel i { font-size: 0.9rem; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: var(--green-pale);
  border: 1px solid rgba(42,110,68,0.2);
  border-radius: 4px;
  color: var(--green);
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(42,110,68,0.15); }

/* SP ナビ */
.header-nav {
  background: var(--green);
  display: none;
}
.header-nav.is-open { display: block; }
.nav-list { flex-direction: column; }
.nav-link {
  display: block;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition);
}
.nav-link:hover { background: rgba(255,255,255,0.07); }

/* ===== ヒーロー ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 7s ease-out;
}
.hero-bg.loaded { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,0.15) 0%,
    rgba(0,0,0,0.48) 55%,
    rgba(0,0,0,0.6) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 820px;
}
.hero-eyebrow {
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.78);
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 34px;
  border-radius: 2px;
  transition: background var(--transition), transform var(--transition);
}
.btn-hero-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}
.btn-hero-tel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 34px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.6);
  transition: background var(--transition), border-color var(--transition);
}
.btn-hero-tel:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

/* SCROLL インジケーター */
.hero-scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
}
.hero-scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.45), transparent);
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0%,100% { transform: scaleY(0); opacity: 0; }
  30%      { opacity: 1; }
  70%      { transform: scaleY(1); opacity: 1; }
}

/* ===== タグライン ===== */
.tagline {
  padding: 80px 24px;
  text-align: center;
  background: var(--white);
  position: relative;
}
.tagline::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: var(--border);
  margin: 0 auto;
  position: absolute;
  bottom: -24px;
  left: 50%;
}
.tagline-text {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--black);
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}
.tagline-sub {
  font-size: 0.93rem;
  color: var(--text-mid);
  letter-spacing: 0.06em;
}

/* ===== サービス（3×2グリッド）===== */
.services {
  background: var(--bg);
  padding: 100px 0 80px;
}
.services-track {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 0 24px;
}

.service-card {
  height: 420px;
  position: relative;
  overflow: hidden;
}
.service-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card-bg { transform: scale(1.06); }

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.75) 0%,
    rgba(0,0,0,0.12) 55%,
    rgba(0,0,0,0) 100%
  );
}
.service-card-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px 24px;
  color: var(--white);
}
.service-card-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.service-card-content p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.72);
  margin-bottom: 16px;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.82);
  border: 1px solid rgba(255,255,255,0.42);
  padding: 6px 14px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  transition: background var(--transition), border-color var(--transition);
}
.service-card:hover .service-card-link {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

/* ===== アバウト ===== */
.about {
  background: var(--white);
  padding: 108px 0;
}
.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-text .en-label { margin-bottom: 14px; }
.about-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.65;
  margin-bottom: 24px;
}
.about-text p {
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 2.1;
  margin-bottom: 16px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--green);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  margin-top: 8px;
  transition: opacity var(--transition);
}
.text-link:hover { opacity: 0.65; }
.about-photo img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

/* ===== お悩み ===== */
.troubles {
  background: var(--bg);
  padding: 100px 24px;
  text-align: center;
}
.troubles-list {
  max-width: 1060px;
  margin: 0 auto 48px;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0;
}
.trouble-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px 24px;
  flex: 1 1 auto;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
}
.trouble-item:last-child { border-right: none; }
.trouble-item:hover { background: var(--white); }
.trouble-item span {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.7;
  text-align: center;
  white-space: nowrap;
}
.troubles-cta {
  margin-top: 8px;
}
.btn-green-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
  border: 2px solid var(--green);
  padding: 16px 36px;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}
.btn-green-outline:hover {
  background: var(--green);
  color: var(--white);
}

/* ===== 選ばれる理由 ===== */
.reasons {
  background: var(--white);
  padding-top: 100px;
}
.reasons .section-head-simple { margin-bottom: 64px; }

.reason-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
}
/* 偶数は左右反転 */
.reason-item--rev .reason-photo { order: 2; }
.reason-item--rev .reason-body  { order: 1; }

.reason-photo {
  position: relative;
  background-size: cover;
  background-position: center;
  min-height: 420px;
  overflow: hidden;
}
/* 縦書きラベル */
.reason-vl {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.55);
  text-shadow: 0 1px 4px rgba(0,0,0,0.35);
}
.reason-item--rev .reason-vl {
  left: auto;
  right: 22px;
  writing-mode: vertical-rl;
  transform: translateY(-50%) rotate(180deg);
}

.reason-body {
  background: var(--white);
  padding: 72px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.reason-num {
  display: block;
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--green-pale);
  line-height: 1;
  margin-bottom: 14px;
  font-family: Georgia, serif;
  letter-spacing: -0.03em;
}
.reason-body h3 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.55;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green-pale);
  position: relative;
}
.reason-body h3::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 38px; height: 2px;
  background: var(--green);
  border-radius: 2px;
}
.reason-body p {
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 2.1;
  margin-bottom: 20px;
}
.reason-checks {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.reason-checks li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
}
.reason-checks li i {
  color: var(--green);
  margin-top: 4px;
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* ===== 施工事例スライダー ===== */
.works {
  background: var(--bg);
  padding: 100px 0;
}
.works .section-head-simple { margin-bottom: 40px; }

.works-slider { position: relative; overflow: hidden; }

.slide { display: none; }
.slide.active {
  display: flex;
  flex-direction: column;
  animation: fadeSlide 0.5s ease;
}
@keyframes fadeSlide {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.slide-photo {
  width: 100%;
  height: 560px;
  background-size: cover;
  background-position: center;
  position: relative;
}
/* 縦書きカテゴリラベル */
.slide-vl {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.5);
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.slide-caption {
  background: var(--white);
  padding: 24px 48px;
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 100%;
}
.slide-tag {
  flex-shrink: 0;
  background: var(--green);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}
.slide-caption-text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 4px;
}
.slide-caption-text p {
  font-size: 0.82rem;
  color: var(--text-mid);
}

.slider-btn {
  position: absolute;
  top: calc(560px / 2);
  transform: translateY(-50%);
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.88);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--black);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  transition: background var(--transition), transform var(--transition);
  z-index: 10;
}
.slider-btn:hover {
  background: var(--white);
  transform: translateY(-50%) scale(1.08);
}
.slider-prev { left: 24px; }
.slider-next { right: 24px; }

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 20px 0 4px;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.slider-dot.active {
  background: var(--green);
  transform: scale(1.25);
}
.works-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-mid);
  padding: 8px 24px 0;
}

/* ===== お問い合わせ ===== */
.contact { background: var(--white); }
.contact-header {
  background: var(--green-pale);
  text-align: center;
  padding: 80px 24px 64px;
}
.contact-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}
.contact-header p {
  font-size: 0.95rem;
  color: var(--text-mid);
}
.contact-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.contact-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}
.contact-tel-block {
  background: var(--green-pale);
  border-radius: 4px;
  padding: 36px 24px;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}
.tel-guide {
  font-size: 0.8rem;
  color: var(--text-mid);
  margin-bottom: 10px;
}
.contact-tel-num {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--green);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  transition: color var(--transition);
}
.contact-tel-num:hover { color: var(--green-dark); }
.contact-tel-num i { font-size: 1.5rem; }
.tel-hours {
  font-size: 0.78rem;
  color: var(--text-mid);
}
.info-list { display: flex; flex-direction: column; gap: 18px; }
.info-row { display: flex; align-items: flex-start; gap: 14px; }
.info-row > i {
  font-size: 0.95rem;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 4px;
}
.info-row > div { display: flex; flex-direction: column; gap: 3px; }
.info-label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-mid);
  text-transform: uppercase;
}
.info-value {
  font-size: 0.93rem;
  color: var(--text);
  line-height: 1.7;
}
.contact-map-col { min-height: 380px; }
.contact-map-col iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
  display: block;
}

/* ===== フッター ===== */
.site-footer {
  background: var(--green);
  color: var(--white);
  padding: 52px 24px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-logo { display: flex; align-items: center; gap: 12px; }
.logo-mark--sm {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 900;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-logo-text { display: flex; flex-direction: column; line-height: 1.35; }
.footer-logo-name { font-size: 1.05rem; font-weight: 700; color: var(--white); }
.footer-logo-sub  { font-size: 0.62rem; color: rgba(255,255,255,0.6); }
.footer-addr p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.95;
}
.footer-addr a { color: rgba(255,255,255,0.85); transition: color var(--transition); }
.footer-addr a:hover { color: var(--white); }
.footer-copy { font-size: 0.7rem; color: rgba(255,255,255,0.45); }

/* ===== SP 電話バー ===== */
.sp-phone-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  background: var(--green);
  box-shadow: 0 -3px 16px rgba(0,0,0,0.15);
}
.sp-phone-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 12px 20px;
  color: var(--white);
  min-height: 60px;
  font-weight: 700;
}
.sp-phone-link > i { font-size: 1.4rem; }
.sp-phone-text { display: flex; flex-direction: column; line-height: 1.25; }
.sp-phone-text strong { font-size: 1.15rem; }
.sp-phone-text small  { font-size: 0.7rem; opacity: 0.8; }

/* ===== ページトップ ===== */
.scroll-top {
  position: fixed;
  bottom: 80px; right: 20px;
  z-index: 800;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--green);
  color: var(--white);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  transition: opacity 0.3s, transform 0.3s, background 0.3s;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--green-dark); transform: translateY(-3px); }

/* ===== フェードイン ===== */
.js-fadein {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js-fadein.is-visible { opacity: 1; transform: translateY(0); }

/* ===== レスポンシブ ===== */
@media (max-width: 1000px) {
  .header-nav-pc { display: none; }
  .nav-toggle { display: flex; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; padding: 0 24px; }
  .about-photo img { height: 340px; }
  .reason-item { grid-template-columns: 1fr; min-height: auto; }
  .reason-item--rev .reason-photo { order: 0; }
  .reason-item--rev .reason-body  { order: 0; }
  .reason-photo { min-height: 300px; }
  .reason-body { padding: 48px 36px; }
  .contact-body { padding: 48px 24px; }
  .contact-top { grid-template-columns: 1fr; }
  .contact-map-col iframe { min-height: 300px; }
}

@media (max-width: 768px) {
  .logo-sub { display: none; }
  .header-tel span { display: none; }
  .section-head-simple h2 { font-size: 1.85rem; }
  .tagline-text { font-size: 1.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions a { width: 100%; max-width: 320px; justify-content: center; }
  .services-track { grid-template-columns: repeat(2, 1fr); padding: 0 16px; }
  .service-card { height: 360px; }
  .slide-photo { height: 340px; }
  .slider-btn { width: 42px; height: 42px; }
  .slider-prev { left: 12px; }
  .slider-next { right: 12px; }
  .slide-caption { padding: 18px 24px; flex-wrap: wrap; }
  .troubles-list { flex-wrap: wrap; gap: 0; }
  .trouble-item { border-right: none; border-bottom: 1px solid var(--border); flex: 0 0 50%; padding: 22px 16px; }
  .trouble-item span { white-space: normal; }
  .trouble-item:last-child { border-bottom: none; }
  .sp-phone-bar { display: block; }
  .site-footer  { padding-bottom: 80px; }
  .scroll-top   { bottom: 72px; right: 12px; }
}

@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .logo-mark { width: 36px; height: 36px; font-size: 1.1rem; }
  .hero-title { font-size: 1.75rem; }
  .services-track { grid-template-columns: 1fr; padding: 0 16px; }
  .service-card { height: 300px; }
  .reason-body { padding: 36px 20px; }
  .reason-num { font-size: 3rem; }
  .reason-body h3 { font-size: 1.2rem; }
  .contact-header h2 { font-size: 1.8rem; }
}


/* ==========================================================
   サービス詳細ページ共通
   ========================================================== */

/* ページヒーロー */
.page-hero {
  position: relative;
  height: 46vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 64px;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.62) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  padding: 0 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  color: var(--white);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb-sep { color: rgba(255,255,255,0.35); }
.page-hero-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.2);
}
.page-hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.78);
  letter-spacing: 0.06em;
}

/* サービス概要 */
.sv-overview {
  background: var(--white);
  padding: 100px 0;
}
.sv-overview-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.sv-overview-photo {
  height: 460px;
  background-size: cover;
  background-position: center;
}
.sv-overview-body .en-label { margin-bottom: 14px; }
.sv-overview-body h2 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.55;
  margin-bottom: 20px;
}
.sv-overview-body p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 2.1;
  margin-bottom: 14px;
}
.sv-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.sv-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.sv-points li i { color: var(--green); flex-shrink: 0; margin-top: 4px; font-size: 0.8rem; }

/* 対応内容 */
.sv-items {
  background: var(--bg);
  padding: 100px 0;
}
.sv-items-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.sv-items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.sv-item {
  background: var(--white);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition);
}
.sv-item:hover { box-shadow: 0 6px 28px rgba(0,0,0,0.07); }
.sv-item i { font-size: 1.7rem; color: var(--green); }
.sv-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--black); }
.sv-item p { font-size: 0.85rem; color: var(--text-mid); line-height: 1.85; }

/* 施工事例 */
.sv-cases {
  background: var(--white);
  padding: 100px 0;
}
.sv-cases-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.sv-cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.sv-case { background: var(--bg); overflow: hidden; }
.sv-case-photo-wrap { overflow: hidden; height: 260px; }
.sv-case-photo {
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
.sv-case:hover .sv-case-photo { transform: scale(1.05); }
.sv-case-body { padding: 28px 28px 32px; }
.sv-case-tag {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.sv-case-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
  line-height: 1.55;
}
.sv-case-meta {
  font-size: 0.78rem;
  color: var(--text-mid);
  margin-bottom: 12px;
}
.sv-case-body p:not(.sv-case-meta) {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.95;
}

/* FAQ */
.sv-faq {
  background: var(--bg);
  padding: 100px 0;
}
.sv-faq-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.faq-item {
  background: var(--white);
  padding: 32px 36px;
}
.faq-item dt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 14px;
}
.faq-item dt i { color: var(--green); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.faq-item dd {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 2;
  padding-left: 35px;
}

/* CTA */
.sv-cta {
  background: var(--green-pale);
  padding: 80px 24px;
  text-align: center;
}
.sv-cta .en-label { margin-bottom: 14px; }
.sv-cta-lead {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 36px;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  font-size: 0.88rem;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  transition: color var(--transition), border-color var(--transition);
}
.btn-back:hover { color: var(--green); border-color: var(--green); }

/* レスポンシブ（詳細ページ） */
@media (max-width: 1000px) {
  .sv-overview-inner { grid-template-columns: 1fr; gap: 40px; padding: 0 24px; }
  .sv-overview-photo { height: 340px; }
}
@media (max-width: 768px) {
  .page-hero-content { padding: 0 24px; }
  .sv-items-grid { grid-template-columns: repeat(2, 1fr); }
  .sv-cases-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .sv-items-grid { grid-template-columns: 1fr; }
  .faq-item { padding: 24px 20px; }
  .faq-item dd { padding-left: 0; }
}