/* ===== Heritage Theme — 老舗・家族派 ===== */
/* Palette
   bg:        #FAF6F0  (cream)
   heading:   #3E2723  (deep brown)
   accent:    #A88B5C  (gold)
   body:      #4A3F35
*/

/* ===== Reset & Base ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #4A3F35;
  background: #FAF6F0;
  line-height: 2.0;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: #A88B5C; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .7; }

h1, h2, h3, h4 {
  font-family: 'Noto Serif JP', serif;
  color: #3E2723;
  font-weight: 700;
  line-height: 1.6;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow { max-width: 780px; }

/* ===== Header ===== */
.site-header {
  background: rgba(250,246,240,0.97);
  border-bottom: 1px solid #E6DCC8;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  flex-wrap: wrap;
}
.logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #3E2723;
  letter-spacing: 0.12em;
}
.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  color: #3E2723;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  position: relative;
  padding: 4px 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: #A88B5C;
  transition: width .3s;
}
.nav a:hover::after { width: 100%; }

/* ===== Hero (text-first, centered) ===== */
.hero {
  background: #FAF6F0;
  padding: 96px 0 0;
  position: relative;
}
.hero-inner {
  text-align: center;
}
.hero-frame {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 48px 56px;
}
/* Gold L-shaped corner frames */
.corner {
  position: absolute;
  width: 38px;
  height: 38px;
  pointer-events: none;
}
.corner-tl { top: 0; left: 0;
  border-top: 1px solid #A88B5C;
  border-left: 1px solid #A88B5C;
}
.corner-tr { top: 0; right: 0;
  border-top: 1px solid #A88B5C;
  border-right: 1px solid #A88B5C;
}
.corner-bl { bottom: 0; left: 0;
  border-bottom: 1px solid #A88B5C;
  border-left: 1px solid #A88B5C;
}
.corner-br { bottom: 0; right: 0;
  border-bottom: 1px solid #A88B5C;
  border-right: 1px solid #A88B5C;
}
.hero-eyebrow {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  color: #A88B5C;
  letter-spacing: 0.2em;
  margin-bottom: 28px;
}
.hero-catch {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.7;
  color: #3E2723;
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}
.hero-sub {
  font-size: 1.05rem;
  color: #4A3F35;
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 2.0;
}
.hero-band {
  height: 280px;
  background-size: cover;
  background-position: center;
  margin-top: 64px;
  border-top: 1px solid #E6DCC8;
  border-bottom: 1px solid #E6DCC8;
  filter: saturate(0.85);
}

/* ===== Page Hero ===== */
.page-hero {
  min-height: 240px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: #fff;
  text-align: center;
}
.page-hero .container { width: 100%; }
.page-hero-eyebrow {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  color: #E8D9B8;
  margin-bottom: 12px;
}
.page-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.page-hero-plain {
  background: #3E2723;
  color: #fff;
  border-bottom: 3px solid #A88B5C;
}
.page-hero-plain h1 { text-shadow: none; }
.page-hero-plain .page-hero-eyebrow { color: #C9B07E; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 40px;
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s;
  border-radius: 1px;
}
.btn-primary {
  background: #A88B5C;
  color: #fff;
  border-color: #A88B5C;
}
.btn-primary:hover {
  background: #3E2723;
  border-color: #3E2723;
  opacity: 1;
}
.btn-outline {
  background: transparent;
  color: #3E2723;
  border-color: #A88B5C;
}
.btn-outline:hover {
  background: #A88B5C;
  color: #fff;
  opacity: 1;
}

/* ===== Sections ===== */
section { padding: 80px 0; }

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.9rem;
  text-align: center;
  margin-bottom: 56px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #3E2723;
  position: relative;
  padding: 16px 0;
}
.section-title::before,
.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 1px;
  background: #A88B5C;
}
.section-title::before { top: 0; }
.section-title::after  { bottom: 0; }

.lead {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  line-height: 2.2;
  text-align: center;
  color: #3E2723;
  font-weight: 400;
}

/* ===== Pillars (2x2 grid w/ gold left rule) ===== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}
.pillar-card {
  background: #fff;
  padding: 40px 36px 40px 40px;
  position: relative;
  box-shadow: 0 1px 4px rgba(62,39,35,0.04);
}
.pillar-card::before {
  content: "";
  position: absolute;
  top: 32px; bottom: 32px;
  left: 18px;
  width: 1px;
  background: #A88B5C;
}
.pillar-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.25rem;
  margin-bottom: 18px;
  color: #3E2723;
  letter-spacing: 0.06em;
}
.pillar-card p {
  font-size: 0.96rem;
  color: #4A3F35;
  line-height: 2.0;
}

/* ===== CTA Band ===== */
.cta-band {
  background: #fff;
  border-top: 1px solid #E6DCC8;
  border-bottom: 1px solid #E6DCC8;
  padding: 56px 0;
}
.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-inner p {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  color: #3E2723;
  letter-spacing: 0.04em;
}

/* ===== Philosophy points ===== */
.philosophy-message { padding-bottom: 40px; }

.point-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.point-item {
  background: #fff;
  padding: 36px 40px;
  border-left: 2px solid #A88B5C;
  box-shadow: 0 1px 4px rgba(62,39,35,0.04);
}
.point-item h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  letter-spacing: 0.04em;
}
.point-num {
  font-family: 'Noto Serif JP', serif;
  color: #A88B5C;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.point-item p {
  color: #4A3F35;
  line-height: 2.0;
}

/* ===== Works grid (3x2, restrained) ===== */
.works-intro { padding-bottom: 40px; }

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.work-card {
  background: #fff;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(62,39,35,0.04);
  transition: transform .3s, box-shadow .3s;
  border-bottom: 1px solid #E6DCC8;
}
.work-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(62,39,35,0.08);
}
.work-thumb {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9);
}
.work-body { padding: 22px 24px 28px; }
.work-body h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: #3E2723;
  letter-spacing: 0.04em;
}
.work-body p {
  font-size: 0.92rem;
  color: #4A3F35;
  line-height: 1.9;
}

/* ===== About ===== */
.info-list {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px 28px;
  background: #fff;
  padding: 36px 40px;
  border-top: 1px solid #A88B5C;
  border-bottom: 1px solid #A88B5C;
}
.info-list dt {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  color: #3E2723;
  border-right: 1px solid #E6DCC8;
  padding-right: 16px;
  letter-spacing: 0.06em;
}
.info-list dd {
  color: #4A3F35;
}

/* ===== Contact ===== */
.contact-tel {
  text-align: center;
  padding: 48px 0;
}
.tel-label {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  margin-bottom: 10px;
  color: #4A3F35;
  letter-spacing: 0.08em;
}
.tel-number {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: #3E2723;
  letter-spacing: 0.06em;
}
.contact-form {
  background: #fff;
  padding: 44px;
  border-top: 1px solid #A88B5C;
}
.form-row {
  margin-bottom: 26px;
}
.form-row label {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  margin-bottom: 10px;
  color: #3E2723;
  letter-spacing: 0.04em;
}
.req {
  display: inline-block;
  background: #8C2F2F;
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 1px;
  margin-left: 8px;
  font-weight: 400;
  letter-spacing: 0.05em;
  vertical-align: middle;
  font-family: 'Noto Sans JP', sans-serif;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid #D7CCC8;
  font-family: inherit;
  font-size: 1rem;
  background: #FAF6F0;
  color: #4A3F35;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #A88B5C;
  background: #fff;
}
.form-submit { text-align: center; margin-top: 16px; }

/* ===== Footer ===== */
.site-footer {
  background: #3E2723;
  color: #D7CCC8;
  padding: 56px 0 32px;
  font-size: 0.9rem;
  line-height: 2.0;
  border-top: 3px solid #A88B5C;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.footer-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
}
.footer-disclaimer p {
  font-size: 0.82rem;
  color: #BCAAA4;
}
.footer-credits {
  grid-column: 1 / -1;
  border-top: 1px solid #5D4037;
  padding-top: 20px;
  margin-top: 8px;
  font-size: 0.78rem;
  color: #A1887F;
}
.footer-credits a { color: #C9B07E; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  body { line-height: 1.9; }
  .header-inner {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
  }
  .nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav a { font-size: 0.88rem; }
  .hero { padding: 56px 0 0; }
  .hero-frame { padding: 40px 24px 32px; }
  .hero-catch { font-size: 1.7rem; line-height: 1.7; }
  .hero-sub { font-size: 0.96rem; }
  .hero-band { height: 200px; margin-top: 40px; }
  .corner { width: 26px; height: 26px; }
  .page-hero h1 { font-size: 1.6rem; }
  section { padding: 56px 0; }
  .section-title { font-size: 1.4rem; margin-bottom: 36px; letter-spacing: 0.08em; }
  .pillar-grid { grid-template-columns: 1fr; gap: 24px; }
  .pillar-card { padding: 32px 28px 32px 32px; }
  .pillar-card::before { left: 14px; }
  .works-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .info-list { grid-template-columns: 1fr; padding: 28px 24px; }
  .info-list dt { border-right: none; padding-right: 0; padding-bottom: 4px; }
  .tel-number { font-size: 1.9rem; }
  .contact-form { padding: 28px 22px; }
  .point-item { padding: 28px 24px; }
  .site-footer .container { grid-template-columns: 1fr; }
}