@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700&family=Zen+Old+Mincho:wght@400;700&display=swap');

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

:root {
  --cream: #f7f2ea;
  --brown: #4a3728;
  --warm: #6e5434;
  --terracotta: #b86b4a;
  --contact-bg: #8f4f35;
  --sand: #d4c5a9;
  --dark: #2a1f16;
  --anchor-offset: 96px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--anchor-offset);
}

body {
  background: var(--cream);
  color: var(--brown);
  font-family: 'Zen Old Mincho', serif;
  line-height: 1.9;
  font-size: 17px;
  overflow-x: hidden;
}

/* ── Scroll fade-in ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

#greeting,
#about,
#services,
#contact {
  scroll-margin-top: var(--anchor-offset);
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 0 50px;
  height: 64px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(247,242,234,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212,197,169,0.25);
  transition: box-shadow 0.3s;
}
nav.scrolled {
  box-shadow: 0 2px 20px rgba(42,31,22,0.08);
}
nav .brand {
  display: flex;
  align-items: baseline;
  gap: 20px;
}
nav .brand-name {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--dark);
}
nav .brand-address {
  font-size: 0.78rem;
  color: var(--warm);
  letter-spacing: 0.03em;
}
nav .links {
  display: flex;
  align-items: center;
  gap: 32px;
}
nav .links a {
  color: var(--brown);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  transition: color 0.3s;
  position: relative;
}
nav .links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--terracotta);
  transition: width 0.3s;
}
nav .links a:hover { color: var(--terracotta); }
nav .links a:hover::after { width: 100%; }

/* ── Hero ── */
.hero-craft {
  margin-top: 64px;
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}
.hero-photo {
  position: relative;
  overflow: hidden;
}
.hero-photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: sepia(25%) brightness(0.9) saturate(0.8);
  transition: transform 8s ease;
}
.hero-photo:hover img {
  transform: scale(1.03);
}
.hero-photo .year {
  position: absolute; top: 40px; left: 40px;
  font-size: 6rem; font-weight: 700;
  color: rgba(255,255,255,0.12);
  font-family: 'Noto Serif JP', serif;
  line-height: 1;
  pointer-events: none;
}
.hero-text-area {
  padding: 100px 60px;
  display: flex; flex-direction: column;
  justify-content: center;
  background: var(--cream);
}
.hero-text-area .small {
  font-size: 0.8rem; color: var(--terracotta);
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-text-area h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--dark);
}
.hero-text-area .desc {
  margin-top: 30px;
  font-size: 0.88rem; color: var(--warm);
  line-height: 2.1;
  max-width: 400px;
}
.hero-text-area .dot-line {
  margin-top: 40px;
  width: 40px; height: 3px;
  background: var(--terracotta);
  border-radius: 2px;
}

/* ── Section headings ── */
section { padding: 100px 50px; }

.sec-head-craft {
  margin-bottom: 50px;
}
.sec-head-craft .en {
  font-size: 0.72rem; color: var(--terracotta);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sec-head-craft h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.8rem; font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--dark);
}
.sec-head-craft .line {
  margin-top: 15px;
  width: 30px; height: 2px;
  background: var(--terracotta);
}

/* ── Greeting ── */
.greeting-craft {
  max-width: 700px;
  border-left: 2px solid var(--sand);
  padding-left: 30px;
}
.greeting-craft p {
  font-size: 0.95rem; color: var(--warm); line-height: 2.2;
}

/* ── Photo band (marquee) ── */
.photo-band {
  overflow: hidden;
  padding: 40px 0 50px;
}
.photo-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marquee 50s linear infinite;
}
.photo-track:hover {
  animation-play-state: paused;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 10px)); }
}
.photo-band figure {
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid var(--sand);
  flex-shrink: 0;
  width: 340px;
}
.photo-band img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 5px 5px 0 0;
  display: block;
  transition: transform 0.5s;
  filter: sepia(10%) saturate(0.9);
}
.photo-band figure:hover img {
  transform: scale(1.03);
  filter: sepia(0%) saturate(1);
}
.photo-band figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--brown);
  background: var(--cream);
  letter-spacing: 0.03em;
  border-top: 1px solid var(--sand);
}

/* ── Company info (dark) ── */
.info-craft {
  background: var(--dark);
  color: var(--cream);
  padding: 0;
}
.info-craft .sec-head-craft h2 { color: var(--cream); }
.info-craft .sec-head-craft .en { color: var(--sand); }
.info-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: 520px;
}
.info-left {
  padding: 80px 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.info-right {
  position: relative;
}
.info-craft table {
  width: 100%; border-collapse: collapse;
}
.info-craft tr { border-bottom: 1px solid rgba(212,197,169,0.12); }
.info-craft th {
  text-align: left; padding: 18px 0;
  font-weight: 400; font-size: 0.78rem;
  color: var(--sand); width: 100px;
  vertical-align: top;
  letter-spacing: 0.08em;
}
.info-craft td {
  padding: 18px 0; font-size: 0.88rem; color: var(--cream);
}

/* ── Before/After Slider ── */
.info-right .ba-slider {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.info-right .ba-viewport {
  position: relative;
  overflow: hidden;
  flex: 1;
  border-radius: 0;
  background: var(--dark);
}
.ba-viewport {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  border-radius: 6px;
  background: var(--dark);
}
.ba-slide-img {
  position: absolute;
  top: 0; left: 0;
  width: 200%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
  will-change: transform;
}
.ba-tag {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.5s;
}
.ba-tag--before {
  left: 7%;
  font-size: 1.8rem;
  color: var(--cream);
  text-shadow: 0 2px 16px rgba(0,0,0,0.6), 0 0 40px rgba(0,0,0,0.3);
}
.ba-tag--after {
  right: 7%;
  font-size: 1.8rem;
  color: var(--cream);
  text-shadow: 0 2px 16px rgba(0,0,0,0.5), 0 0 40px rgba(0,0,0,0.2);
  opacity: 0;
}
.ba-slider.phase-after .ba-tag--before {
  opacity: 0;
}
.ba-slider.phase-after .ba-tag--after {
  opacity: 1;
}
.ba-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  text-align: center;
  letter-spacing: 0.04em;
  padding: 24px 16px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  z-index: 3;
  pointer-events: none;
}

/* ── BA Slider: PC static view ── */
@media (min-width: 769px) {
  .info-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 50px;
  }
  .info-right .ba-slider {
    width: 100%;
    height: auto;
  }
  .info-right .ba-viewport {
    flex: none;
    min-height: 440px;
    border-radius: 4px;
  }
  .ba-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
  .ba-tag--before {
    opacity: 1;
    left: 8%;
  }
  .ba-tag--after {
    opacity: 1;
    right: 8%;
  }
  .ba-slider.phase-after .ba-tag--before { opacity: 1; }
  .ba-slider.phase-after .ba-tag--after { opacity: 1; }
}

/* ── Services ── */
.services-craft {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.svc-craft-card {
  background: var(--cream);
  border: 1px solid var(--sand);
  padding: 32px 28px 28px;
  border-radius: 6px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.svc-craft-card::before {
  content: attr(data-num);
  position: absolute;
  top: 14px; right: 16px;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.72rem;
  color: var(--sand);
  letter-spacing: 0.05em;
}
.svc-craft-card:hover {
  border-color: var(--terracotta);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(42,31,22,0.08);
}
.svc-craft-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.98rem; font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sand);
}
.svc-craft-card p {
  font-size: 0.8rem; color: var(--warm); line-height: 1.9;
}

/* ── Contact ── */
.contact-craft {
  background: var(--contact-bg);
  color: #fff;
  padding: 90px 50px;
  text-align: center;
}
.contact-craft h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem; font-weight: 700;
  margin-bottom: 15px;
}
.contact-craft .contact-lead {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.92);
  margin-bottom: 44px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.contact-success {
  max-width: 520px;
  margin: 0 auto 28px;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.88rem;
  line-height: 1.8;
  text-align: left;
  border-radius: 4px;
}

.contact-toggle {
  display: inline-block;
  padding: 14px 50px;
  min-height: 48px;
  border: 1.5px solid #fff;
  background: transparent;
  color: #fff;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, transform 0.2s;
  margin-bottom: 0;
}
.contact-toggle:hover {
  background: #fff;
  color: var(--contact-bg);
  transform: translateY(-1px);
}
.contact-toggle.open {
  background: #fff;
  color: var(--contact-bg);
}
.contact-form-wrap {
  position: relative;
  max-width: 520px;
  margin: 32px auto 0;
  text-align: left;
  opacity: 1;
}
.contact-form-wrap[hidden] {
  display: none;
}
.contact-form-wrap.open {
  display: block;
}
.contact-form label {
  display: block;
  font-size: 0.78rem;
  margin-bottom: 6px;
  opacity: 0.95;
  letter-spacing: 0.04em;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(247,242,234,0.95);
  color: var(--dark);
  font-family: inherit;
  font-size: 0.88rem;
  border-radius: 4px;
  margin-bottom: 18px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--dark);
  box-shadow: 0 0 0 3px rgba(42,31,22,0.15);
}
.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}
.contact-form button[type="submit"] {
  display: inline-block;
  width: 100%;
  margin-top: 8px;
  padding: 15px 24px;
  min-height: 48px;
  border: 1.5px solid #fff;
  background: transparent;
  color: #fff;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  letter-spacing: 0.15em;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.contact-form button[type="submit"]:hover {
  background: #fff;
  color: var(--contact-bg);
  transform: translateY(-1px);
}
.contact-form button[type="submit"]:active {
  transform: translateY(0);
}
.contact-toggle:focus-visible,
.contact-form button[type="submit"]:focus-visible,
nav .links a:focus-visible {
  outline: 3px solid rgba(255,255,255,0.85);
  outline-offset: 3px;
}
nav .links a:focus-visible {
  outline-color: rgba(42,31,22,0.45);
}

.contact-form .contact-after-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.88);
  text-align: center;
}

.contact-craft .contact-mail-cta {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 50px;
  border: 1.5px solid var(--cream);
  color: var(--cream);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  border-radius: 4px;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.contact-craft .contact-mail-cta:hover {
  background: var(--cream);
  color: var(--terracotta);
  transform: translateY(-1px);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* ── Footer ── */
footer {
  padding: 32px 50px;
  background: var(--cream);
  border-top: 1px solid var(--sand);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.footer-right {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: right;
}
.footer-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brown);
  letter-spacing: 0.06em;
}
.footer-addr {
  font-size: 0.78rem;
  color: var(--warm);
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--warm);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  :root {
    --anchor-offset: 112px;
  }

  nav {
    padding: 8px 16px 10px;
    height: auto;
    flex-wrap: wrap;
    gap: 2px;
  }
  nav .brand {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  nav .brand-name {
    font-size: 0.88rem;
    letter-spacing: 0.05em;
  }
  nav .brand-address {
    font-size: 0.66rem;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  nav .links {
    gap: 10px 14px;
    flex-wrap: wrap;
    width: 100%;
    padding-top: 8px;
    border-top: 1px solid rgba(212,197,169,0.3);
  }
  nav .links a {
    font-size: 0.75rem;
    letter-spacing: 0.03em;
  }

  .hero-craft {
    grid-template-columns: 1fr;
    min-height: auto;
    margin-top: 78px;
  }
  .hero-photo img { height: 280px; }
  .hero-photo .year {
    top: 28px;
    left: 24px;
    font-size: 4.4rem;
  }
  .hero-text-area { padding: 40px 24px 44px; }
  .hero-text-area .small {
    margin-bottom: 14px;
    font-size: 0.72rem;
  }
  .hero-text-area h1 {
    font-size: clamp(1.9rem, 10vw, 2.5rem);
    line-height: 1.6;
  }
  .hero-text-area .desc {
    margin-top: 22px;
    font-size: 0.84rem;
    line-height: 2;
  }
  .hero-text-area .dot-line {
    margin-top: 30px;
  }

  section { padding: 70px 24px; }

  .greeting-craft {
    padding-left: 20px;
  }

  .photo-band { padding: 20px 24px 30px; overflow: visible; }
  .photo-track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    width: auto;
    animation: none;
  }
  .photo-band figure { width: auto; }
  .photo-band img { height: 160px; object-fit: cover; filter: none; }
  .photo-band figcaption { font-size: 0.78rem; padding: 10px 12px; }

  .info-craft { padding: 0; }
  .info-layout { grid-template-columns: 1fr; min-height: auto; }
  .info-left { padding: 60px 24px; }
  .info-right .ba-viewport { min-height: 420px; }
  .ba-tag--before, .ba-tag--after { font-size: 1.3rem; }
  .ba-caption { font-size: 0.78rem; }

  .services-craft { grid-template-columns: 1fr; }

  .contact-craft { padding: 70px 24px; }

  footer { padding: 24px; }
  .footer-inner {
    flex-direction: column;
    gap: 10px;
  }
  .footer-right { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .photo-track {
    animation: none;
  }

  .ba-slide-img {
    width: 100%;
    object-position: center;
    transform: none !important;
  }

  .ba-tag--before,
  .ba-tag--after {
    opacity: 1;
  }
}