/* ===========================
   心拍 出張整備サービス
   =========================== */

:root {
  --color-bg: #f3f1ec;
  --color-surface: #fffefb;
  --color-ink: #15181b;
  --color-ink-muted: #686e73;
  --color-accent: #b7331a;
  --color-border: #d9d5cb;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-num: 'Inter', sans-serif;
  --header-h: 76px;
  --radius: 3px;
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);

  /* theme vars — redefined inside .section-alt / .header.scrolled / .footer for the dark rhythm */
  --bg: var(--color-bg);
  --surface: var(--color-surface);
  --text: var(--color-ink);
  --text-muted: var(--color-ink-muted);
  --border: var(--color-border);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }
.pc-only { display: inline; }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.header.scrolled { border-bottom: 1px solid var(--color-border); }
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}
.logo-sub {
  font-family: var(--font-num);
  font-size: 0.64rem;
  font-weight: 600;
  color: var(--color-ink-muted);
  letter-spacing: 0.14em;
}
.nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-link {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-ink); }
.nav-link.nav-switch { color: var(--color-accent); }
.btn-nav {
  padding: 10px 20px;
  border-radius: var(--radius);
  background: var(--color-ink);
  color: var(--color-bg) !important;
  font-weight: 500;
}
.btn-nav:hover { background: var(--color-accent); color: #fff !important; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s;
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
}
.btn-primary:hover { background: var(--color-accent); color: #fff; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-full { width: 100%; }

/* ===== Hero ===== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 56px) 0 90px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: end;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 22px;
}
.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}
.hero-title {
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  color: var(--color-ink);
}
.hero-title .accent { color: var(--color-accent); }
.hero-desc {
  font-size: 1rem;
  color: var(--color-ink-muted);
  max-width: 500px;
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-notes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--color-ink-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}
.hero-notes li { display: flex; align-items: center; gap: 10px; }
.hero-notes li::before {
  content: '';
  width: 14px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ===== Photography — duotone treatment unifies mixed stock sources ===== */
.photo {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-ink);
}
.photo img,
.photo video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.85) contrast(1.1) brightness(0.92);
}
.photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(183, 51, 26, 0.26), rgba(21, 24, 27, 0.4));
  mix-blend-mode: multiply;
  pointer-events: none;
}
.photo-scrim::before {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
  z-index: 1;
}

/* Hero visual — photo/video block with an overlapping pulse chip */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
}
.pulse-chip {
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -1px;
  z-index: 2;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 18px 22px 16px;
}
.pulse-wrap-label {
  font-family: var(--font-num);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  display: block;
  margin-bottom: 12px;
}
.pulse-line { width: 100%; height: 56px; display: block; }
.pulse-path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: pulse-draw 4.2s var(--ease) infinite;
}
@keyframes pulse-draw {
  0% { stroke-dashoffset: 1400; }
  55% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -1400; }
}

/* ===== Section generic ===== */
.section { padding: 100px 0; background: var(--bg); color: var(--text); }
.section-alt {
  --bg: var(--color-ink);
  --surface: #1e2226;
  --text: #f3f1ec;
  --text-muted: #9a9e9f;
  --border: #33373a;
  background: var(--bg);
  color: var(--text);
}
.section-header { max-width: 620px; margin: 0 auto 60px; }
.section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.section-label::before { content: ''; width: 28px; height: 1px; background: var(--color-accent); }
.section-header.center .section-label { justify-content: center; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--text);
}
.section-subtitle { color: var(--text-muted); font-size: 0.95rem; }

/* ===== Grids ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.card {
  background: var(--surface);
  padding: 34px 28px;
}
.card-num {
  font-family: var(--font-num);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 18px;
}
.card-title { font-size: 1.04rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.card-desc { color: var(--text-muted); font-size: 0.9rem; }
.card-tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 14px;
}

/* ===== Use case / audience cards ===== */
.usecase-card { background: var(--surface); }
.usecase-thumb { aspect-ratio: 4/3; border: none; border-bottom: 1px solid var(--border); }
.usecase-body { padding: 24px; }
.usecase-num {
  font-family: var(--font-num);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: block;
}

/* ===== Service blocks ===== */
.service-block {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
  padding: 50px 0;
  border-top: 1px solid var(--border);
}
.service-block:first-of-type { border-top: none; }
.service-block--reverse .service-visual { order: 2; }
.service-visual {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 24px;
}
.service-visual.photo img { position: absolute; inset: 0; z-index: 0; }
.service-visual-num {
  position: relative;
  z-index: 2;
  font-family: var(--font-num);
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.service-visual-label {
  position: relative;
  z-index: 2;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.78);
}
.service-num {
  font-family: var(--font-num);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.service-name { font-size: 1.4rem; font-weight: 700; margin: 10px 0 14px; color: var(--text); }
.service-desc { color: var(--text-muted); margin-bottom: 18px; }
.service-points { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.service-points li {
  display: flex;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.service-points li:first-child { border-top: none; padding-top: 0; }

/* ===== Menu grid ===== */
.menu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.menu-item {
  background: var(--surface);
  padding: 22px 20px;
  font-size: 0.9rem;
  color: var(--text);
}

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--border); }
.step {
  padding: 24px 20px 0 0;
  border-right: 1px solid var(--border);
}
.step:last-child { border-right: none; }
.step-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 14px;
  display: block;
}
.step-title { font-weight: 700; margin-bottom: 8px; font-size: 0.96rem; color: var(--text); }
.step-desc { font-size: 0.84rem; color: var(--text-muted); }

/* ===== Work-style cards ===== */
.workstyle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.workstyle-card { background: var(--surface); padding: 32px 26px; }
.workstyle-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; color: var(--text); }
.workstyle-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding: 12px 0;
  font-size: 0.85rem;
}
.workstyle-row dt { color: var(--text-muted); flex-shrink: 0; }
.workstyle-row dd { text-align: right; color: var(--text); }

/* ===== Chips ===== */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* ===== Benefit list (numbered) ===== */
.benefit-list { display: flex; flex-direction: column; }
.benefit-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.benefit-item:last-child { border-bottom: 1px solid var(--border); }
.benefit-num { font-family: var(--font-num); font-size: 1.3rem; font-weight: 700; color: var(--color-accent); }
.benefit-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.benefit-desc { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Message block ===== */
.message-block { border-left: 2px solid var(--color-accent); padding: 4px 0 4px 32px; }
.message-text { font-size: 1.06rem; line-height: 2.1; margin-bottom: 22px; color: var(--text); }
.message-from { color: var(--text-muted); font-size: 0.86rem; font-family: var(--font-num); letter-spacing: 0.04em; }

/* ===== Pricing ===== */
.pricing-box { border: 1px solid var(--border); padding: 50px 44px; text-align: center; }
.pricing-box .section-label { justify-content: center; }
.pricing-box .btn { margin-top: 26px; }

/* ===== Note box ===== */
.note-box {
  border: 1px solid var(--border);
  padding: 18px 22px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ===== Contact ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: 1px solid var(--border);
  padding: 44px;
  background: var(--surface);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.82rem; color: var(--text-muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-alt {
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.contact-alt a { color: var(--color-accent); }

/* ===== FAQ ===== */
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 2px;
  text-align: left;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text);
}
.faq-icon {
  flex-shrink: 0;
  font-family: var(--font-num);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--color-accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s var(--ease); }
.faq-answer-inner { padding: 0 2px 22px; color: var(--text-muted); font-size: 0.9rem; max-width: 560px; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ===== Cross CTA ===== */
.cross-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--border);
  padding: 34px 40px;
}
.cross-cta-text { font-size: 1.02rem; font-weight: 700; color: var(--text); }
.cross-cta-sub { color: var(--text-muted); font-size: 0.86rem; margin-top: 6px; }

/* ===== Footer ===== */
.footer {
  --bg: var(--color-ink);
  --surface: #1e2226;
  --text: #f3f1ec;
  --text-muted: #9a9e9f;
  --border: #33373a;
  padding: 60px 0 32px;
  background: var(--bg);
  color: var(--text);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.footer-logo { font-weight: 700; font-size: 1.08rem; margin-bottom: 10px; }
.footer-desc { color: var(--text-muted); font-size: 0.85rem; max-width: 320px; }
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col-title {
  font-family: var(--font-num);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 14px;
  letter-spacing: 0.12em;
}
.footer-col a { display: block; font-size: 0.88rem; color: var(--text); margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-num);
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ===== Hub (index.html) ===== */
.hub { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 24px; background: var(--color-bg); }
.hub-inner { max-width: 880px; width: 100%; text-align: center; }
.hub-logo { font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; color: var(--color-ink); }
.hub-tagline { color: var(--color-ink-muted); margin-bottom: 60px; }
.hub-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); text-align: left; }
.hub-card { background: var(--color-surface); padding: 40px 32px; transition: background 0.2s; }
.hub-card:hover { background: #ece9e1; }
.hub-card-label {
  font-family: var(--font-num);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}
.hub-card-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; color: var(--color-ink); }
.hub-card-desc { color: var(--color-ink-muted); font-size: 0.9rem; margin-bottom: 22px; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid-3, .grid-4, .workstyle-grid, .hub-cards { grid-template-columns: repeat(2, 1fr); }
  .menu-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 20px; margin-bottom: 20px; }
  .hero-inner { grid-template-columns: 1fr; }
  .service-block, .service-block--reverse { grid-template-columns: 1fr; }
  .service-block--reverse .service-visual { order: 0; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .sp-only { display: inline; }
  .pc-only { display: none; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 20px 24px;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    overflow-y: auto;
  }
  .nav.open { transform: translateX(0); }
  .nav-link { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
  .btn-nav { margin-top: 16px; text-align: center; width: 100%; }
  .hamburger { display: flex; }
  .section { padding: 72px 0; }
  .grid-3, .grid-4, .workstyle-grid, .menu-grid, .steps, .hub-cards { grid-template-columns: 1fr; }
  .cross-cta { flex-direction: column; align-items: flex-start; text-align: left; }
  .footer-inner { flex-direction: column; }
  .contact-form { padding: 28px 22px; }
  .step { border-bottom: 1px solid var(--border); }
}