/* ===== Modern Theme (新世代・デザイン派) =====
   Palette:
     background  #FFFFFF
     heading     #1A1A1A
     accent      #C45434
     body text   #333333
   Type: Noto Sans JP 300 (body) / 900 (heading)
================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: #333333;
  background: #FFFFFF;
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}
img { max-width: 100%; display: block; }
a { color: #1A1A1A; text-decoration: none; transition: color .2s, opacity .2s; }
a:hover { color: #C45434; }

h1, h2, h3, h4 {
  font-weight: 900;
  color: #1A1A1A;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}
.container.narrow { max-width: 820px; }

/* ===== Header ===== */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid #EAEAEA;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 32px;
  flex-wrap: wrap;
}
.logo {
  font-size: 1.15rem;
  font-weight: 900;
  color: #1A1A1A;
  letter-spacing: 0.08em;
}
.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  color: #1A1A1A;
  font-weight: 400;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  position: relative;
  padding: 6px 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: #C45434;
  transition: width .25s;
}
.nav a:hover { color: #C45434; }
.nav a:hover::after { width: 100%; }

/* ===== Hero (full-bleed, bottom-left overlay) ===== */
.hero {
  position: relative;
  width: 100%;
  min-height: 88vh;
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  display: flex;
  align-items: flex-end;
}
.hero-overlay {
  width: 100%;
  padding: 0 0 88px 0;
}
.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 64px;
  width: 100%;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  color: #FFFFFF;
}
.hero-catch {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 28px;
  color: #FFFFFF;
  max-width: 14ch;
  letter-spacing: 0.005em;
}
.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  margin-bottom: 44px;
  max-width: 640px;
  line-height: 1.9;
}

/* ===== Page Hero ===== */
.page-hero {
  width: 100%;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  display: flex;
  align-items: flex-end;
}
.page-hero-band {
  background: linear-gradient(135deg, #1A1A1A 0%, #2B2B2B 55%, #C45434 100%);
}
.page-hero-inner {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 0 64px 56px;
}
.page-hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  margin-bottom: 12px;
  color: #FFFFFF;
  opacity: 0.85;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 0.01em;
}

/* ===== Buttons (square, terracotta) ===== */
.btn {
  display: inline-block;
  padding: 16px 40px;
  border-radius: 0;
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  font-family: inherit;
}
.btn-primary {
  background: #C45434;
  color: #FFFFFF;
  border-color: #C45434;
}
.btn-primary:hover {
  background: #A33F23;
  border-color: #A33F23;
  color: #FFFFFF;
}
.btn-outline {
  background: transparent;
  color: #1A1A1A;
  border-color: #1A1A1A;
}
.btn-outline:hover {
  background: #1A1A1A;
  color: #FFFFFF;
}

/* ===== Sections ===== */
section { padding: 120px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  justify-content: center;
  margin-bottom: 64px;
}
.section-head-left {
  justify-content: flex-start;
}
.section-num {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: #C45434;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: #1A1A1A;
  margin: 0;
  letter-spacing: 0.01em;
  position: relative;
}
.section-title-left { text-align: left; }

.lead {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 2.1;
  text-align: center;
  color: #333333;
}

/* ===== Pillars: asymmetric (3:1 grid, big card + 3 small) ===== */
.pillar-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}
.pillar-card {
  background: #FFFFFF;
  padding: 44px 40px;
  border-radius: 0;
  border: 1px solid #EAEAEA;
  box-shadow: none;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.pillar-card-1 {
  grid-row: span 3;
  background: #1A1A1A;
  color: #FFFFFF;
  border-color: #1A1A1A;
  padding: 56px 48px;
}
.pillar-card-1 h3 { color: #FFFFFF; }
.pillar-card-1 p { color: #DDDDDD; }
.pillar-card-1 .pillar-index { color: #C45434; }
.pillar-index {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: #C45434;
  margin-bottom: 24px;
  display: inline-block;
}
.pillar-card h3 {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.pillar-card-1 h3 {
  font-size: 1.6rem;
}
.pillar-card p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.95;
  color: #333333;
}

/* ===== CTA Band ===== */
.cta-band {
  background: #1A1A1A;
  color: #FFFFFF;
  padding: 72px 0;
}
.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-inner p {
  font-size: 1.15rem;
  font-weight: 400;
  color: #FFFFFF;
  letter-spacing: 0.04em;
}
.cta-band .btn-outline {
  color: #FFFFFF;
  border-color: #FFFFFF;
}
.cta-band .btn-outline:hover {
  background: #C45434;
  border-color: #C45434;
  color: #FFFFFF;
}

/* ===== Philosophy points ===== */
.point-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.point-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid #EAEAEA;
  align-items: start;
}
.point-item:last-child {
  border-bottom: 1px solid #EAEAEA;
}
.point-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: #C45434;
  letter-spacing: 0.02em;
  line-height: 1;
}
.point-body h3 {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: #1A1A1A;
}
.point-body p {
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 2;
  color: #333333;
}

/* ===== Works: large modular cards ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 40px;
}
.work-card {
  background: #FFFFFF;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  transition: transform .25s;
}
.work-card:hover {
  transform: translateY(-3px);
}
.work-thumb {
  width: 100%;
  height: 360px;
  background-size: cover;
  background-position: center;
}
.work-body {
  padding: 28px 4px 0;
}
.work-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: #C45434;
  margin-bottom: 12px;
}
.work-body h3 {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: #1A1A1A;
}
.work-body p {
  font-size: 0.95rem;
  font-weight: 300;
  color: #333333;
  line-height: 1.95;
}

/* ===== Company info ===== */
.info-list {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  background: transparent;
  padding: 0;
  border-top: 1px solid #EAEAEA;
}
.info-list dt,
.info-list dd {
  padding: 22px 4px;
  border-bottom: 1px solid #EAEAEA;
  font-size: 0.98rem;
}
.info-list dt {
  font-weight: 900;
  color: #1A1A1A;
  letter-spacing: 0.06em;
}
.info-list dd {
  font-weight: 300;
  color: #333333;
}

/* ===== Contact ===== */
.contact-tel {
  text-align: center;
  padding: 40px 0 80px;
}
.tel-label {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  color: #C45434;
}
.tel-number {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: #1A1A1A;
  letter-spacing: 0.04em;
}
.contact-form {
  background: #FFFFFF;
  padding: 48px;
  border: 1px solid #EAEAEA;
  border-radius: 0;
}
.form-row {
  margin-bottom: 28px;
}
.form-row label {
  display: block;
  font-weight: 400;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  color: #1A1A1A;
}
.req {
  display: inline-block;
  background: #C45434;
  color: #FFFFFF;
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 0;
  margin-left: 6px;
  font-weight: 400;
  letter-spacing: 0.1em;
  vertical-align: middle;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #EAEAEA;
  border-radius: 0;
  font-family: inherit;
  font-weight: 300;
  font-size: 1rem;
  background: #FAFAFA;
  color: #333333;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #C45434;
  background: #FFFFFF;
}
.form-submit { text-align: center; margin-top: 16px; }

/* ===== Footer ===== */
.site-footer {
  background: #1A1A1A;
  color: #BBBBBB;
  padding: 64px 0 32px;
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.95;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.footer-name {
  font-size: 1.05rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.footer-disclaimer p {
  font-size: 0.8rem;
  color: #888888;
  font-weight: 300;
}
.footer-credits {
  grid-column: 1 / -1;
  border-top: 1px solid #333333;
  padding-top: 22px;
  margin-top: 12px;
  font-size: 0.76rem;
  color: #777777;
}
.footer-credits a { color: #BBBBBB; }
.footer-credits a:hover { color: #C45434; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
  }
  .nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav a { font-size: 0.82rem; letter-spacing: 0.04em; }
  .hero { min-height: 78vh; }
  .hero-overlay { padding: 0 0 56px 0; }
  .hero-inner { padding: 0 24px; }
  .hero-catch { font-size: 2rem; max-width: none; }
  .hero-sub { font-size: 0.96rem; margin-bottom: 32px; }
  .hero-eyebrow { font-size: 0.78rem; margin-bottom: 16px; }
  .page-hero { min-height: 220px; }
  .page-hero-inner { padding: 0 24px 32px; }
  .page-hero h1 { font-size: 1.8rem; }
  section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; gap: 12px; }
  .section-title { font-size: 1.4rem; }
  .pillar-grid { grid-template-columns: 1fr; gap: 16px; }
  .pillar-card-1 { grid-row: auto; padding: 36px 28px; }
  .pillar-card { padding: 32px 24px; }
  .pillar-card-1 h3 { font-size: 1.3rem; }
  .point-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 36px 0;
  }
  .point-num { font-size: 1.8rem; }
  .works-grid { grid-template-columns: 1fr; gap: 40px; }
  .work-thumb { height: 240px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .info-list { grid-template-columns: 1fr; }
  .info-list dt {
    padding-bottom: 4px;
    border-bottom: none;
  }
  .info-list dd {
    padding-top: 4px;
  }
  .tel-number { font-size: 1.8rem; }
  .contact-form { padding: 28px 20px; }
  .site-footer .container { grid-template-columns: 1fr; }
  .btn { padding: 14px 28px; font-size: 0.9rem; }
}