/* =========================================================
   足場のたくみ — デモサイト用スタイル
   配色: ブラック＋ハイビジオレンジ＋注意色イエロー
   武骨・現場系・男気。手書きフォントは使わない。
   モバイルファースト、PCで2〜3カラム展開
   ========================================================= */

/* ===== サンプル告知バナー（最上部） ===== */
.demo-banner {
  background: repeating-linear-gradient(
    -45deg,
    #ffc700 0 16px,
    #1a1a1a 16px 32px
  );
  color: #fff;
  font-size: 0.88rem;
  padding: 10px 16px;
  text-align: center;
  border-bottom: 3px solid #ff6b1a;
  line-height: 1.5;
  position: relative;
  z-index: 200;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}
.demo-banner strong {
  display: inline-block;
  margin-right: 8px;
  font-weight: 900;
  background: #1a1a1a;
  padding: 2px 10px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
@media (max-width: 600px) {
  .demo-banner strong { display: block; margin: 0 auto 4px; max-width: 80%; }
}

:root {
  --c-bg: #f5f4f0;
  --c-bg-alt: #ebe9e2;
  --c-black: #1a1a1a;
  --c-black-soft: #2a2a2a;
  --c-text: #1a1a1a;
  --c-text-soft: #4a4a4a;
  --c-text-muted: #777;
  --c-orange: #ff6b1a;
  --c-orange-deep: #d8520d;
  --c-yellow: #ffc700;
  --c-yellow-deep: #e6a900;
  --c-line: #06c755;
  --c-card: #ffffff;
  --c-border: #d6d3c9;
  --c-border-strong: #1a1a1a;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.12);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.18);
  --shadow-hard: 6px 6px 0 #1a1a1a;
  --radius: 4px;
  --radius-lg: 8px;
  --maxw: 1100px;

  --font-heading: "Stick", "Noto Sans JP", sans-serif;
  --font-num: "Bebas Neue", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  font-size: 16px;
  font-weight: 500;
  padding-bottom: 80px;
  -webkit-text-size-adjust: 100%;
}

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

a { color: var(--c-orange-deep); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  text-align: center;
  margin: 0 0 12px;
  color: var(--c-black);
  letter-spacing: 0.05em;
  font-weight: 400; /* Stick は太めで来るので weight は控えめ */
  position: relative;
  text-transform: none;
}
.section-title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background: var(--c-orange);
  margin-right: 12px;
  vertical-align: 2px;
  transform: skewX(-20deg);
}
.section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background: var(--c-orange);
  margin: 14px auto 0;
  transform: skewX(-20deg);
}

.section-lead {
  text-align: center;
  color: var(--c-text-soft);
  margin: 0 0 28px;
  font-size: 0.95rem;
}

/* =========================================================
   Sticky CTA
   ========================================================= */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  background: var(--c-black);
  border-top: 3px solid var(--c-orange);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.3);
  z-index: 100;
}
.sticky-cta a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 8px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}
.sticky-cta__tel {
  background: var(--c-orange);
  color: #fff !important;
}
.sticky-cta__tel:hover { background: var(--c-orange-deep); }
.sticky-cta__icon { font-size: 1.2rem; }
.sticky-cta__text { display: flex; flex-direction: column; line-height: 1.2; }
.sticky-cta__label { font-size: 0.7rem; opacity: 0.9; letter-spacing: 0.05em; }
.sticky-cta__number { font-family: var(--font-num); font-size: 1.15rem; letter-spacing: 0.04em; }
.sticky-cta__line {
  background: var(--c-black);
  border-left: 1px solid #444;
}
.sticky-cta__line:hover { background: #2f2f2f; }

/* =========================================================
   Hero — 黒背景＋現場写真風プレースホルダ
   ========================================================= */
.hero {
  position: relative;
  background: var(--c-black);
  color: #fff;
  overflow: hidden;
  padding: 60px 20px 80px;
  isolation: isolate;
}

/* 現場写真風プレースホルダ（CSSグラデーション3枚） */
.hero__photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
}
.hero__photo-frame {
  flex: 1;
  background-size: cover;
  background-position: center;
  animation: hero-fade 12s infinite;
  opacity: 0;
}
/* 1: 高所・夕焼けバック */
.hero__photo-frame--1 {
  background:
    radial-gradient(ellipse at 70% 35%, rgba(255,180,80,0.55), transparent 55%),
    linear-gradient(180deg, #4a3220 0%, #ff6b1a 35%, #c83d00 60%, #1a0d05 100%);
  animation-delay: 0s;
}
/* 2: 足場格子イメージ */
.hero__photo-frame--2 {
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.5) 0 2px, transparent 2px 80px),
    repeating-linear-gradient(0deg, rgba(0,0,0,0.5) 0 2px, transparent 2px 80px),
    linear-gradient(180deg, #2a3a4a 0%, #1a2030 100%);
  animation-delay: 4s;
}
/* 3: チームショット風（オレンジベスト＋ヘルメットの色面） */
.hero__photo-frame--3 {
  background:
    radial-gradient(circle at 30% 60%, rgba(255,107,26,0.5) 0 80px, transparent 100px),
    radial-gradient(circle at 60% 60%, rgba(255,199,0,0.4) 0 60px, transparent 100px),
    radial-gradient(circle at 80% 65%, rgba(255,107,26,0.5) 0 80px, transparent 100px),
    linear-gradient(180deg, #4a3a2a 0%, #1a1308 100%);
  animation-delay: 8s;
}
@keyframes hero-fade {
  0%, 28% { opacity: 0.55; }
  33%, 100% { opacity: 0; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.65) 100%),
    repeating-linear-gradient(135deg, rgba(255,107,26,0.06) 0 2px, transparent 2px 60px);
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: left;
}
.hero__lead {
  font-family: var(--font-num);
  font-size: 1.05rem;
  color: var(--c-yellow);
  letter-spacing: 0.18em;
  margin: 0 0 14px;
  border-left: 4px solid var(--c-orange);
  padding-left: 14px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  font-weight: 400;
  margin: 0 0 24px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-shadow: 4px 4px 0 var(--c-orange);
}
.hero__title-line1 { display: block; color: #fff; }
.hero__title-line2 {
  display: inline-block;
  color: var(--c-yellow);
  position: relative;
}
.hero__title-line2::after {
  content: "";
  display: block;
  height: 6px;
  width: 100%;
  background: var(--c-orange);
  margin-top: 4px;
  transform: skewX(-20deg);
}
.hero__sub {
  font-size: 1rem;
  color: #f0f0f0;
  margin: 0 0 28px;
  line-height: 1.8;
  font-weight: 500;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn:hover { transform: translate(-2px, -2px); }
.btn:active { transform: translate(2px, 2px); }

.btn--phone {
  background: var(--c-orange);
  color: #fff;
  padding: 16px 24px;
  border: 3px solid #fff;
  border-radius: var(--radius);
  flex-direction: column;
  gap: 4px;
  box-shadow: 6px 6px 0 var(--c-yellow);
}
.btn--phone:hover { box-shadow: 8px 8px 0 var(--c-yellow); }
.btn--phone:active { box-shadow: 2px 2px 0 var(--c-yellow); }
.btn__big {
  font-family: var(--font-num);
  font-size: 2rem;
  letter-spacing: 0.05em;
  line-height: 1;
}
.btn__small {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  opacity: 0.95;
}

.btn--line {
  background: var(--c-line);
  color: #fff;
  padding: 14px 24px;
  border: 3px solid #fff;
  border-radius: var(--radius);
  font-size: 1rem;
  box-shadow: 6px 6px 0 rgba(255,255,255,0.2);
}
.btn--line:hover { box-shadow: 8px 8px 0 rgba(255,255,255,0.2); }

.btn--submit {
  background: var(--c-orange);
  color: #fff;
  border: 3px solid var(--c-black);
  padding: 14px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  margin-top: 16px;
}
.btn--submit:hover { box-shadow: 8px 8px 0 var(--c-black); }

.hero__chips {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero__chips li {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

@media (min-width: 768px) {
  .hero { padding: 90px 40px 110px; }
  .hero__cta {
    flex-direction: row;
    align-items: stretch;
  }
  .btn--phone, .btn--line { flex: 1; max-width: 360px; }
}

/* =========================================================
   汎用セクション
   ========================================================= */
section {
  padding: 60px 0;
}
section.services { background: var(--c-bg); }
section.works { background: var(--c-black); color: #fff; }
section.works .section-title { color: #fff; }
section.works .section-lead { color: rgba(255,255,255,0.7); }
section.safety { background: var(--c-bg-alt); }
section.pricing { background: var(--c-bg); }
section.area { background: var(--c-bg-alt); }
section.flow { background: var(--c-bg); }
section.recruit {
  background: var(--c-black);
  color: #fff;
  position: relative;
}
section.recruit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, rgba(255,107,26,0.04) 0 12px, transparent 12px 24px);
  pointer-events: none;
}
section.recruit .section-title { color: #fff; }
section.recruit .section-lead { color: rgba(255,255,255,0.7); }
section.faq { background: var(--c-bg); }
section.contact { background: var(--c-bg-alt); }

/* =========================================================
   Service Grid
   ========================================================= */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}
@media (min-width: 768px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (min-width: 1000px) {
  .service-grid { grid-template-columns: repeat(4, 1fr); }
}
.service-card {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
  box-shadow: var(--shadow-hard);
  transition: transform 0.15s ease;
}
.service-card:hover { transform: translate(-3px, -3px); }
.service-card__icon {
  display: inline-block;
  font-size: 2rem;
  background: var(--c-yellow);
  border: 2px solid var(--c-black);
  width: 56px;
  height: 56px;
  line-height: 56px;
  text-align: center;
  margin-bottom: 14px;
}
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0 0 10px;
  color: var(--c-black);
  letter-spacing: 0.04em;
}
.service-card p {
  font-size: 0.9rem;
  margin: 0 0 12px;
  color: var(--c-text-soft);
  line-height: 1.7;
}
.service-card__tag {
  display: inline-block;
  background: var(--c-black);
  color: var(--c-orange);
  font-family: var(--font-num);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 2px 10px;
}

/* =========================================================
   Works (gallery with tabs)
   ========================================================= */
.works__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 24px 0 32px;
}
.works__tab {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.3);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}
.works__tab:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
}
.works__tab.is-active {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
}

.works__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 600px) { .works__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .works__grid { grid-template-columns: repeat(4, 1fr); gap: 20px; } }

.work-card {
  background: var(--c-black-soft);
  border: 1px solid #333;
  border-radius: var(--radius);
  overflow: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.work-card.is-hidden {
  display: none;
}
.work-card__photo {
  aspect-ratio: 4 / 3;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.work-card__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.2) 0 1px, transparent 1px 60px),
              repeating-linear-gradient(90deg, rgba(0,0,0,0.2) 0 1px, transparent 1px 60px);
  pointer-events: none;
}
.work-card__icon {
  font-size: 3rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
  position: relative;
  z-index: 1;
}
.work-card__photo--gaiheki { background: linear-gradient(135deg, #ff6b1a 0%, #c83d00 100%); }
.work-card__photo--gaiheki2 { background: linear-gradient(135deg, #ffc700 0%, #ff6b1a 100%); }
.work-card__photo--yane { background: linear-gradient(135deg, #4a5a6a 0%, #2a3540 100%); }
.work-card__photo--yane2 { background: linear-gradient(135deg, #ff9d3a 0%, #5a3a20 100%); }
.work-card__photo--kaitai { background: linear-gradient(135deg, #5a4a3a 0%, #2a1f15 100%); }
.work-card__photo--kaitai2 { background: linear-gradient(135deg, #7a6a5a 0%, #3a2a20 100%); }
.work-card__photo--shinchiku { background: linear-gradient(135deg, #3a4a5a 0%, #1a2030 100%); }
.work-card__photo--shinchiku2 { background: linear-gradient(135deg, #6a7a8a 0%, #2a3a4a 100%); }

.work-card__body {
  padding: 16px 18px 20px;
}
.work-card__cat {
  display: inline-block;
  background: var(--c-orange);
  color: #fff;
  font-family: var(--font-num);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  padding: 2px 10px;
  margin-bottom: 8px;
}
.work-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 400;
  margin: 0 0 8px;
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.work-card p {
  font-size: 0.85rem;
  margin: 0;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* =========================================================
   Safety
   ========================================================= */
.safety__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 32px;
}
@media (min-width: 700px) { .safety__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .safety__grid { grid-template-columns: repeat(4, 1fr); } }

.safety-card {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  padding: 22px 18px;
  border-radius: var(--radius);
  position: relative;
}
.safety-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(-45deg, var(--c-yellow) 0 10px, var(--c-black) 10px 20px);
}
.safety-card__icon {
  display: inline-block;
  font-size: 1.8rem;
  margin-bottom: 10px;
}
.safety-card h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--c-black);
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.safety-card p {
  font-size: 0.88rem;
  color: var(--c-text-soft);
  margin: 0;
  line-height: 1.7;
}

.safety__license {
  margin-top: 32px;
  background: var(--c-black);
  color: #fff;
  border: 3px solid var(--c-yellow);
  padding: 24px;
  border-radius: var(--radius);
  position: relative;
}
.safety__license-title {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.1rem;
  margin: 0 0 12px;
  color: var(--c-yellow);
  letter-spacing: 0.06em;
}
.safety__license ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.9;
}
.safety__license ul strong { color: var(--c-orange); margin-right: 8px; }
.safety__license .muted { color: rgba(255,255,255,0.5); font-size: 0.8rem; }
.safety__note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(255,255,255,0.3);
}

/* =========================================================
   Pricing
   ========================================================= */
.pricing__table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border: 2px solid var(--c-black);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--c-card);
}
.pricing__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}
.pricing__table thead {
  background: var(--c-black);
  color: var(--c-yellow);
}
.pricing__table th, .pricing__table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.92rem;
}
.pricing__table th {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.05em;
}
.pricing__table tbody tr:nth-child(even) { background: var(--c-bg); }
.pricing__table tbody tr:hover { background: #fff5e8; }
.pricing__table td:last-child {
  font-family: var(--font-num);
  font-size: 1.1rem;
  color: var(--c-orange-deep);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.pricing__note {
  font-size: 0.85rem;
  color: var(--c-text-soft);
  margin: 16px 0 0;
  line-height: 1.7;
}

/* =========================================================
   Area
   ========================================================= */
.area__list {
  list-style: none;
  padding: 0;
  margin: 32px 0 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.area__list li {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  padding: 6px 16px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.area__note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--c-text-soft);
}

/* =========================================================
   Flow
   ========================================================= */
.flow__steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  counter-reset: step;
}
@media (min-width: 700px) { .flow__steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .flow__steps { grid-template-columns: repeat(4, 1fr); } }

.flow-step {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  padding: 24px 20px;
  position: relative;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}
.flow-step__num {
  display: block;
  font-family: var(--font-num);
  font-size: 2.4rem;
  color: var(--c-orange);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.flow-step__title {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--c-black);
  letter-spacing: 0.03em;
}
.flow-step p {
  font-size: 0.88rem;
  color: var(--c-text-soft);
  margin: 0;
  line-height: 1.7;
}

/* =========================================================
   Recruit (B2B)
   ========================================================= */
.recruit .container { position: relative; z-index: 1; }
.recruit__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}
@media (min-width: 768px) { .recruit__cards { grid-template-columns: repeat(2, 1fr); } }
.recruit-card {
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--c-orange);
  padding: 24px;
  border-radius: var(--radius);
}
.recruit-card h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.1rem;
  margin: 0 0 14px;
  color: var(--c-yellow);
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 8px;
}
.recruit-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.recruit-card li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.9);
}
.recruit-card li::before {
  content: "▶";
  position: absolute;
  left: 0;
  color: var(--c-orange);
  font-size: 0.7rem;
  top: 0.4em;
}
.recruit__cta-text {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--c-yellow);
  margin: 28px 0 0;
  letter-spacing: 0.05em;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq__list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  padding: 16px 20px;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  list-style: none;
  padding-right: 50px;
  font-size: 0.95rem;
  line-height: 1.5;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  display: inline-block;
  font-family: var(--font-num);
  background: var(--c-orange);
  color: #fff;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  margin-right: 12px;
  vertical-align: -4px;
  font-size: 1rem;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 1.6rem;
  color: var(--c-orange);
  line-height: 1;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  padding: 0 20px 18px 60px;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-border);
  padding-top: 14px;
  position: relative;
}
.faq-item p::before {
  content: "A";
  position: absolute;
  left: 20px;
  top: 14px;
  font-family: var(--font-num);
  background: var(--c-black);
  color: var(--c-yellow);
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  font-size: 1rem;
}

/* =========================================================
   Contact
   ========================================================= */
.contact__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 32px 0 28px;
}
@media (min-width: 700px) { .contact__cards { grid-template-columns: repeat(2, 1fr); } }

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  padding: 24px 16px;
  border: 3px solid var(--c-black);
  border-radius: var(--radius);
  background: var(--c-card);
  color: var(--c-black);
  box-shadow: var(--shadow-hard);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.contact-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--c-black);
}
.contact-card--phone {
  background: var(--c-orange);
  color: #fff;
  border-color: var(--c-black);
}
.contact-card--line {
  background: var(--c-line);
  color: #fff;
  border-color: var(--c-black);
}
.contact-card__icon { font-size: 2rem; margin-bottom: 8px; }
.contact-card__label {
  font-family: var(--font-num);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  margin-bottom: 4px;
  opacity: 0.9;
}
.contact-card__main {
  font-family: var(--font-num);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.contact-card--line .contact-card__main {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: normal;
}
.contact-card__sub { font-size: 0.78rem; opacity: 0.9; }

.contact-form {
  background: var(--c-card);
  border: 2px solid var(--c-black);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow-hard);
}
.contact-form__lead {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.1rem;
  margin: 0 0 16px;
  color: var(--c-black);
  border-left: 4px solid var(--c-orange);
  padding-left: 12px;
  letter-spacing: 0.04em;
}
.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}
.form-row label {
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--c-black);
}
.form-row input, .form-row textarea {
  border: 2px solid var(--c-border);
  background: var(--c-bg);
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: var(--radius);
  font-weight: 500;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--c-orange);
  background: #fff;
}
.form-row--inline {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  background: var(--c-bg);
  padding: 10px 14px;
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
}
.form-radio-label {
  font-weight: 700;
  font-size: 0.88rem;
  margin-right: 4px;
}
.form-radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
}
.form-radio input { accent-color: var(--c-orange); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--c-black);
  color: #fff;
  padding: 40px 0 90px; /* sticky CTA 分余白 */
  border-top: 4px solid var(--c-orange);
}
.site-footer .container { text-align: center; }
.site-footer__name {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  color: var(--c-yellow);
}
.site-footer__addr {
  font-size: 0.85rem;
  line-height: 1.8;
  margin: 0 0 16px;
  color: rgba(255,255,255,0.85);
}
.site-footer__copy {
  font-family: var(--font-num);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}