@charset "UTF-8";
/*
    Template: swell
    Theme Name: SWELL CHILD
    Theme URI: https://swell-theme.com/
    Description: SWELLの子テーマ
    Version: 1.0.0
    Author: LOOS WEB STUDIO
    Author URI: https://loos-web-studio.com/

    License: GNU General Public License
    License URI: http://www.gnu.org/licenses/gpl.html
*/




/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== Utility ===== */
.inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-title {
  text-align: center;
  margin-bottom: 56px;
}
.section-title span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: #999;
  text-transform: uppercase;
  margin-top: 8px;
}
.btn {
  display: inline-block;
  padding: 16px 48px;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 4px;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.btn--primary {
  background: #1a1a1a;
  color: #fff;
}
.btn--primary:hover {
  background: #444;
  transform: translateY(-2px);
}
.btn--outline {
  border: 2px solid #1a1a1a;
  color: #1a1a1a;
  background: transparent;
}
.btn--outline:hover {
  background: #1a1a1a;
  color: #fff;
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: #1a1a1a;
}
.btn--white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

/* ===== Header ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.logo-plus {
  color: #888;
}
.header-nav ul {
  display: flex;
  gap: 32px;
  align-items: center;
}
.header-nav a {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.header-nav a:hover {
  color: #666;
}
.header-cta {
  margin-left: 24px;
  padding: 10px 28px;
  font-size: 0.8125rem;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: #1a1a1a;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== 1. Hero / TOP ===== */
.hero {
  padding: 160px 24px 120px;
  background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
  text-align: center;
}
.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.3;
  margin-bottom: 24px;
}
.hero h1 .accent {
  color: #555;
}
.hero p {
  font-size: 1.0625rem;
  color: #555;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.9;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 2. Service ===== */
.service {
  padding: 100px 0;
  background: #fff;
}
.service h2 {
  font-size: 1.75rem;
  font-weight: 700;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.service-card {
  background: #fafafa;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.service-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.service-card img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.service-card-body {
  padding: 24px;
}
.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
}

/* ===== 3. Works ===== */
.works {
  padding: 100px 0;
  background: #f5f5f5;
}
.works h2 {
  font-size: 1.75rem;
  font-weight: 700;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.works-item {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.works-item:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.works-item img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.works-item-body {
  padding: 20px;
}
.works-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #888;
  border: 1px solid #ddd;
  padding: 2px 10px;
  border-radius: 3px;
  margin-bottom: 8px;
}
.works-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.6;
}

/* ===== 4. Pricing ===== */
.pricing {
  padding: 100px 0;
  background: #fff;
}
.pricing h2 {
  font-size: 1.75rem;
  font-weight: 700;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pricing-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
}
.pricing-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.pricing-card.is-popular {
  border-color: #1a1a1a;
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a1a;
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: 3px;
}
.pricing-card h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.pricing-price small {
  font-size: 0.875rem;
  font-weight: 400;
  color: #888;
}
.pricing-note {
  font-size: 0.75rem;
  color: #999;
  margin-bottom: 24px;
}
.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}
.pricing-features li {
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
  color: #444;
}
.pricing-features li::before {
  content: "\2713";
  margin-right: 10px;
  color: #1a1a1a;
  font-weight: 700;
}

/* ===== 5. Reason ===== */
.reason {
  padding: 100px 0;
  background: #f5f5f5;
}
.reason h2 {
  font-size: 1.75rem;
  font-weight: 700;
}
.reason-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.reason-item {
  background: #fff;
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  transition: box-shadow 0.3s;
}
.reason-item:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.reason-num {
  font-size: 2rem;
  font-weight: 800;
  color: #ccc;
  margin-bottom: 16px;
  line-height: 1;
}
.reason-item h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.reason-item p {
  font-size: 0.875rem;
  color: #666;
  line-height: 1.8;
}

/* ===== 6. Column ===== */
.column {
  padding: 100px 0;
  background: #fff;
}
.column h2 {
  font-size: 1.75rem;
  font-weight: 700;
}
.column-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.column-card {
  background: #fafafa;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.column-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.column-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.column-card-body {
  padding: 20px 24px;
}
.column-date {
  font-size: 0.75rem;
  color: #999;
  margin-bottom: 8px;
}
.column-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta {
  padding: 80px 24px;
  background: #1a1a1a;
  text-align: center;
  color: #fff;
}
.cta h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta p {
  font-size: 0.9375rem;
  color: #aaa;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
footer {
  background: #111;
  color: #888;
  padding: 48px 24px 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.footer-logo .logo-plus {
  color: #666;
}
.footer-text {
  font-size: 0.75rem;
  line-height: 1.8;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.8125rem;
  transition: color 0.3s;
}
.footer-nav a:hover {
  color: #fff;
}
.footer-copy {
  text-align: center;
  font-size: 0.6875rem;
  color: #555;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #222;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 900px) {
  .service-grid,
  .works-grid,
  .pricing-grid,
  .reason-list,
  .column-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 2.25rem;
  }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 600px) {
  .header-nav {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }
  .header-nav.is-open {
    opacity: 1;
    visibility: visible;
  }
  .header-nav ul {
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }
  .header-nav a {
    font-size: 1.125rem;
  }
  .header-cta {
    margin-left: 0;
    margin-top: 16px;
  }
  .hamburger {
    display: flex;
    position: relative;
    z-index: 200;
  }

  .hero {
    padding: 120px 20px 80px;
  }
  .hero h1 {
    font-size: 1.75rem;
  }
  .hero p {
    font-size: 0.9375rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    padding: 14px 36px;
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .service-grid,
  .works-grid,
  .pricing-grid,
  .reason-list,
  .column-grid {
    grid-template-columns: 1fr;
  }

  .service, .works, .pricing, .reason, .column {
    padding: 64px 0;
  }
  .section-title {
    margin-bottom: 36px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .footer-nav {
    justify-content: center;
  }
}