/* ===========================================
   ROAD TECHNOS — DESIGN SYSTEM
   =========================================== */
:root {
  /* ブランドカラー（ロゴ準拠） */
  --color-primary: #c7182d;
  --color-primary-dark: #a01023;
  --color-primary-light: #e02e44;
  --color-secondary: #c92236;
  --color-accent: #787676;

  --color-dark: #1a1a1a;
  --color-dark-2: #2a2a2a;
  --color-dark-3: #3d3d3d;

  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f2;
  --color-bg-dark: #111111;

  --color-text: #2a2a2a;
  --color-text-sub: #666666;
  --color-text-light: #999999;
  --color-text-white: #ffffff;

  --color-border: #e5e5e3;
  --color-border-dark: #2a2a2a;

  --font-jp: 'Noto Sans JP', 'Yu Gothic', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Barlow', sans-serif;

  --section-pad: 120px;
  --section-pad-sp: 64px;
  --container-px: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================================
   BASE
   =========================================== */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

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

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

/* ===========================================
   TYPOGRAPHY UTILITIES
   =========================================== */
.font-en { font-family: var(--font-en); letter-spacing: 0.04em; }

.section-label {
  font-family: var(--font-en);
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-dark);
}

.section-label--dark { color: #fff; }

.section-sub {
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-sub::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--color-primary);
}

.section-sub--dark { color: #fff; }
.section-sub--dark::before { background: #fff; }

.lead-jp {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--color-dark);
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn-rt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px 32px;
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  border: 1px solid transparent;
  border-radius: 0;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-rt i {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.btn-rt:hover i { transform: translateX(4px); }

.btn-rt-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-rt-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-rt-outline {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}
.btn-rt-outline:hover {
  background: var(--color-dark);
  color: #fff;
}

.btn-rt-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-rt-outline-white:hover {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}

/* ===========================================
   HEADER
   =========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-bar {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.header-logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.header-logo svg { height: 38px; width: auto; }

.global-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
}

.global-nav__item {
  position: relative;
  padding: 0 18px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
}

.global-nav__item .en {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  margin-bottom: 4px;
  display: block;
}

.global-nav__item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.global-nav__item:hover::after { width: 70%; }
.global-nav__item:hover .en { color: var(--color-primary); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 16px;
}

.header-tel {
  display: flex;
  flex-direction: column;
  text-align: right;
  padding-right: 16px;
  border-right: 1px solid var(--color-border);
}

.header-tel small {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
}

.header-tel .tel-num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.1;
}

.header-contact-btn {
  background: var(--color-primary);
  color: #fff;
  padding: 14px 24px;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.header-contact-btn:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* SPナビ */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-dark);
  z-index: 999;
  display: none;
  flex-direction: column;
  padding: 100px 32px 32px;
}
.mobile-menu.is-open { display: flex; }

.mobile-menu a {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu a .en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-primary-light);
}

/* ===========================================
   HERO
   =========================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  overflow: hidden;
  background: var(--color-dark);
  margin-top: 88px;
}

.hero__slides {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero__slide.active { opacity: 1; }

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero__slide.active .hero__bg { transform: scale(1); }

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
    rgba(15,15,15,0.75) 0%,
    rgba(15,15,15,0.55) 40%,
    rgba(15,15,15,0.35) 70%,
    rgba(15,15,15,0.55) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 40px;
}

.hero__content { max-width: 900px; }

.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4em;
  color: #fff;
  margin-bottom: 32px;
}
.hero__meta::before {
  content: '';
  width: 48px;
  height: 1px;
  background: var(--color-primary);
}

.hero__title {
  font-family: var(--font-jp);
  font-size: clamp(36px, 6vw, 84px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 32px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero__title .accent {
  display: inline-block;
  position: relative;
  color: #fff;
}
.hero__title .accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 6px;
  background: var(--color-primary);
}

.hero__en {
  font-family: var(--font-en);
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 500;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.7);
}

.hero__indicators {
  position: absolute;
  bottom: 48px;
  left: 40px;
  z-index: 3;
  display: flex;
  gap: 12px;
  align-items: center;
}

.hero__indicator {
  width: 40px;
  height: 2px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.hero__indicator.active { background: var(--color-primary); width: 80px; }

.hero__scroll {
  position: absolute;
  bottom: 32px;
  right: 40px;
  z-index: 3;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero__scroll::after {
  content: '';
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
}

/* 装飾的縦ライン（左サイド） */
.hero__sidemark {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: top left;
  z-index: 3;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.4);
  padding-left: 60px;
}

/* ===========================================
   SECTION COMMON
   =========================================== */
.section { padding: var(--section-pad) 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: var(--color-dark);
  color: #fff;
}

.container-rt {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ===========================================
   ABOUT US
   =========================================== */
.about {
  position: relative;
  overflow: hidden;
}

.about__bg-text {
  position: absolute;
  top: 60px;
  right: -80px;
  font-family: var(--font-en);
  font-size: clamp(120px, 18vw, 280px);
  font-weight: 900;
  line-height: 1;
  color: var(--color-bg-alt);
  letter-spacing: -0.02em;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.about__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__img {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}
.about__img img { width: 100%; height: 100%; object-fit: cover; }

.about__img::before {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  width: 80px;
  height: 80px;
  border-top: 4px solid var(--color-primary);
  border-left: 4px solid var(--color-primary);
  z-index: 2;
}

.about__img::after {
  content: '';
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 80px;
  height: 80px;
  border-bottom: 4px solid var(--color-primary);
  border-right: 4px solid var(--color-primary);
  z-index: 2;
}

.about__text p {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-sub);
  margin-bottom: 24px;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about__stat-num {
  font-family: var(--font-en);
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
}

.about__stat-num small {
  font-size: 16px;
  font-weight: 600;
  margin-left: 4px;
  color: var(--color-dark);
}

.about__stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text-sub);
  margin-top: 6px;
}

/* ===========================================
   SERVICES
   =========================================== */
.services {
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.services__head {
  text-align: center;
  margin-bottom: 80px;
}

.services__head .section-sub { justify-content: center; }

.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.service-card {
  position: relative;
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.12);
}

.service-card__img {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
}
.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card__img img { transform: scale(1.05); }

.service-card__num {
  position: absolute;
  top: 24px;
  left: 24px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  background: var(--color-primary);
  padding: 6px 14px;
  z-index: 2;
}

.service-card__body {
  padding: 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__en {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.service-card__jp {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.service-card__desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-sub);
  margin-bottom: 24px;
  flex: 1;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.service-card__tag {
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  background: var(--color-bg-alt);
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}

.service-card__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-dark);
}
.service-card__more i { transition: transform 0.3s ease; }
.service-card:hover .service-card__more { color: var(--color-primary); }
.service-card:hover .service-card__more i { transform: translateX(6px); }

/* ===========================================
   WORKS
   =========================================== */
.works__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  flex-wrap: wrap;
  gap: 24px;
}

.works__filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.works__filter {
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-sub);
  cursor: pointer;
  transition: var(--transition);
}
.works__filter:hover { border-color: var(--color-dark); color: var(--color-dark); }
.works__filter.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1/1;
}

.work-card img,
.work-card svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.work-card:hover img,
.work-card:hover svg { transform: scale(1.08); }

.work-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,15,0.95) 0%, rgba(15,15,15,0.3) 50%, transparent 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.work-card:hover .work-card__overlay { opacity: 1; }

.work-card__category {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  background: var(--color-primary);
  color: #fff;
  padding: 4px 10px;
  align-self: flex-start;
  margin-bottom: 12px;
}

.work-card__title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.work-card__label {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
  background: rgba(255,255,255,0.95);
  color: var(--color-dark);
  padding: 4px 10px;
  z-index: 2;
}

.works__cta {
  text-align: center;
  margin-top: 64px;
}

/* ===========================================
   NEWS
   =========================================== */
.news__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
}

.news__list { border-top: 1px solid var(--color-border); }

.news__item {
  display: grid;
  grid-template-columns: 120px 100px 1fr 24px;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.news__item:hover { padding-left: 12px; }
.news__item:hover .news__title { color: var(--color-primary); }

.news__date {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-sub);
  letter-spacing: 0.06em;
}

.news__cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--color-dark);
  color: #fff;
  padding: 4px 10px;
  text-align: center;
}

.news__cat--info { background: var(--color-primary); }
.news__cat--award { background: var(--color-accent); }

.news__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  transition: var(--transition);
}

.news__item i {
  color: var(--color-text-light);
  transition: var(--transition);
}
.news__item:hover i {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ===========================================
   RECRUIT
   =========================================== */
.recruit {
  position: relative;
  padding: 0;
  background: var(--color-dark);
  overflow: hidden;
  color: #fff;
}

.recruit__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}
.recruit__bg img,
.recruit__bg svg { width: 100%; height: 100%; object-fit: cover; }

.recruit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(199,24,45,0.85) 0%, rgba(26,26,26,0.85) 60%);
  z-index: 1;
}

.recruit__inner {
  position: relative;
  z-index: 2;
  padding: 120px 0;
  text-align: center;
}

.recruit__title-en {
  font-family: var(--font-en);
  font-size: clamp(60px, 9vw, 120px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.12);
  margin-bottom: -40px;
}

.recruit__copy {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.recruit__desc {
  font-size: 16px;
  line-height: 2;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* ===========================================
   CONTACT / CTA
   =========================================== */
.cta {
  background: var(--color-primary);
  color: #fff;
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: 'CONTACT';
  position: absolute;
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  font-family: var(--font-en);
  font-size: 180px;
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  letter-spacing: 0.02em;
  line-height: 1;
}

.cta__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.cta__copy {
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.cta__copy small {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  opacity: 0.75;
  margin-bottom: 8px;
}

.cta__actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.cta__tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.cta__tel small {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  opacity: 0.75;
}
.cta__tel-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
}

/* ===========================================
   ACCESS
   =========================================== */
.access {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

.access__info {
  background: var(--color-dark);
  color: #fff;
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.access__title-en {
  font-family: var(--font-en);
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
}

.access__info table {
  margin-top: 32px;
  width: 100%;
}
.access__info th {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  text-align: left;
  padding: 12px 24px 12px 0;
  vertical-align: top;
  width: 100px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.access__info td {
  font-size: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.access__map {
  position: relative;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.access__map-placeholder {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.access__map-placeholder iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  filter: grayscale(100%);
  transition: filter 0.4s ease;
}

.access__map-placeholder iframe:hover {
  filter: grayscale(0%);
}

.access__map-pin {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.access__map-pin i {
  font-size: 56px;
  color: var(--color-primary);
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
}

/* ===========================================
   FOOTER
   =========================================== */
.site-footer {
  background: var(--color-dark);
  color: #fff;
}

.footer-main {
  padding: 80px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
}

.footer-logo {
  margin-bottom: 24px;
}
.footer-logo svg {
  height: 36px;
  width: auto;
  filter: invert(1) brightness(1.1);
}

.footer-info {
  font-size: 13px;
  line-height: 2;
  color: rgba(255,255,255,0.7);
}

.footer-licenses {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 11px;
  line-height: 1.9;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

.footer-col h4 {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-col h4::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-primary);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin-bottom: 14px; }
.footer-col a {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--color-primary); padding-left: 6px; }

.footer-bottom {
  padding: 24px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom .copy { font-family: var(--font-en); font-weight: 600; }

/* ===========================================
   FADE-IN ANIMATION
   =========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 991.98px) {
  :root { --section-pad: var(--section-pad-sp); --container-px: 20px; }
  .header-bar { height: 72px; padding: 0 20px; }
  .header-logo svg { height: 28px; }
  .global-nav, .header-cta { display: none; }
  .hamburger { display: inline-flex; }
  .hero { margin-top: 72px; min-height: 600px; }
  .hero__inner { padding: 0 24px; }
  .hero__sidemark, .hero__scroll { display: none; }
  .hero__indicators { left: 24px; bottom: 32px; }
  .about__grid { grid-template-columns: 1fr; gap: 56px; }
  .about__bg-text { font-size: 100px; right: -20px; }
  .services__grid { grid-template-columns: 1fr; gap: 24px; }
  .service-card__body { padding: 28px; }
  .works__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .news__grid { grid-template-columns: 1fr; gap: 40px; }
  .news__item {
    grid-template-columns: auto auto 1fr;
    grid-template-rows: auto auto;
    gap: 12px;
  }
  .news__item i { display: none; }
  .news__title { grid-column: 1 / -1; }
  .recruit__inner { padding: 72px 0; }
  .cta__grid { grid-template-columns: 1fr; text-align: center; }
  .cta__actions { flex-direction: column; }
  .cta__tel { align-items: center; }
  .access { grid-template-columns: 1fr; }
  .access__info { padding: 56px 24px; }
  .access__title-en { font-size: 48px; }
  .access__map { min-height: 320px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 575.98px) {
  .works__grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__title { font-size: 32px; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .about__stats > div:last-child { grid-column: 1 / -1; }
}

/* ===========================================
   PAGE HERO（下層ページ共通）
   =========================================== */
.page-hero {
  background: var(--color-dark);
  padding: 80px 0 60px;
  margin-top: 88px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(199,24,45,0.15) 0%, transparent 60%);
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero__title {
  font-family: var(--font-en);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 900;
  line-height: 1;
  color: #fff;
  letter-spacing: 0.04em;
  margin: 8px 0 0;
}

/* ===========================================
   BREADCRUMB
   =========================================== */
.breadcrumb-nav {
  background: var(--color-bg-alt);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 12px;
  color: var(--color-text-sub);
}

.breadcrumb-list__item + .breadcrumb-list__item::before {
  content: '/';
  color: var(--color-text-light);
}

.breadcrumb-list__item a {
  color: var(--color-text-sub);
}
.breadcrumb-list__item a:hover { color: var(--color-primary); }

@media (max-width: 991.98px) {
  .page-hero { margin-top: 72px; padding: 56px 0 40px; }
  .business__grid { gap: 40px; }
}

/* ===========================================
   business 事業内容グリッド
   =========================================== */
.business__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ===========================================
   about 代表挨拶
   =========================================== */
.about-rep__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

/* ===========================================
   contact 連絡先グリッド・フォーム
   =========================================== */
.contact-info__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.contact-form__wrap {
  background: var(--color-bg-alt);
  padding: 48px;
  overflow: hidden;
}

.contact-form__wrap input[type="text"],
.contact-form__wrap input[type="email"],
.contact-form__wrap input[type="tel"],
.contact-form__wrap input[type="url"],
.contact-form__wrap textarea,
.contact-form__wrap select {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* ===========================================
   個別記事ナビゲーション
   =========================================== */
.post-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
  gap: 16px;
  flex-wrap: wrap;
}

.post-nav__adjacent {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.post-nav__btn {
  padding: 14px 24px;
}

/* ===========================================
   works 個別ページ
   =========================================== */
.works-info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
}

.works-info-table th {
  padding: 16px 24px 16px 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  text-align: left;
  width: 140px;
  border-top: 1px solid var(--color-border);
  vertical-align: top;
}

.works-info-table td {
  padding: 16px 0;
  font-size: 15px;
  border-top: 1px solid var(--color-border);
}

.works-info-table tr {
  border-bottom: 1px solid var(--color-border);
}

.works-gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* ===========================================
   モバイル個別調整（575px以下）
   =========================================== */
@media (max-width: 575.98px) {
  /* ページヒーロー */
  .page-hero { padding: 40px 0 28px; }
  .page-hero__title { font-size: clamp(28px, 8vw, 48px); }

  /* 記事ナビゲーション */
  .post-nav { flex-direction: column; align-items: stretch; margin-top: 48px; }
  .post-nav__adjacent { flex-direction: column; }
  .post-nav__btn { width: 100%; justify-content: center; padding: 14px 20px; font-size: 13px; }

  /* works 工事情報テーブル */
  .works-info-table { display: block; }
  .works-info-table tbody { display: block; }
  .works-info-table tr { display: flex; flex-direction: column; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
  .works-info-table th { width: auto; padding: 0 0 6px; border-top: none; font-size: 11px; }
  .works-info-table td { padding: 0; border-top: none; font-size: 14px; }

  /* works ギャラリー */
  .works-gallery__grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }

  /* ニュースリスト */
  .news__item { grid-template-columns: auto 1fr; gap: 8px 12px; }
  .news__cat { grid-column: 2; }
  .news__title { font-size: 14px; }

  /* works フィルター */
  .works__filters { justify-content: flex-start; }
  .works__filter { font-size: 12px; padding: 8px 14px; }

  /* business 事業内容 */
  .business__grid { grid-template-columns: 1fr; gap: 40px; }

  /* about 代表挨拶 */
  .about-rep__grid { grid-template-columns: 1fr; gap: 32px; }
  .about-rep__grid > div:first-child { max-width: 200px; margin: 0 auto; }

  /* recruit テーブル */
  .recruit-table th { width: 100px !important; padding-right: 10px !important; font-size: 12px !important; }

  /* contact 連絡先情報 */
  .contact-info__grid { grid-template-columns: 1fr; gap: 12px; }

  /* contact フォームラッパー */
  .contact-form__wrap { padding: 24px 16px; }
  .contact-form__wrap input[type="text"],
  .contact-form__wrap input[type="email"],
  .contact-form__wrap input[type="tel"],
  .contact-form__wrap input[type="url"],
  .contact-form__wrap textarea,
  .contact-form__wrap select {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .contact-form__wrap .wpcf7 { width: 100%; overflow: hidden; }
  .contact-form__wrap p { margin-bottom: 12px; }
}