:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f5;
  --bg-dark: #111111;
  --text: #1a1a1a;
  --text-soft: #555555;
  --line: #dddddd;
  --line-strong: #2a2a2a;
  --primary: #c84d22;
  --primary-dark: #a53b17;
  --secondary: #ffffff;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
  --radius: 20px;
  --radius-sm: 14px;
  --container: min(1120px, calc(100% - 32px));
  --narrow: min(960px, calc(100% - 32px));
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  text-wrap: pretty;
  overflow-wrap: break-word;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
p, li, th, td, summary, h1, h2, h3 {
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.skip-link {
  position: absolute;
  left: 8px;
  top: -48px;
  background: #000;
  color: #fff;
  padding: 10px 14px;
  z-index: 1000;
}
.skip-link:focus { top: 8px; }
.container { width: var(--container); margin: 0 auto; }
.narrow { width: var(--narrow); }
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark {
  background: linear-gradient(180deg, #131313 0%, #1c1c1c 100%);
  color: #fff;
}
.section-heading { margin-bottom: 32px; }
.section-heading.center { text-align: center; }
.section-heading.light p,
.section-heading.light .eyebrow { color: rgba(255,255,255,.8); }
.section-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 2.8vw, 2.9rem);
  line-height: 1.35;
  letter-spacing: .01em;
}
.section-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
}
.section-dark .section-heading p { color: rgba(255,255,255,.8); }
.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  color: var(--primary);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .08em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.header-inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 20px;
}
.brand img { width: 220px; height: auto; }
.header-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: .95rem;
  color: #333;
}
.header-nav a:hover,
.footer-links a:hover { color: var(--primary); }
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  width: 42px;
  height: 42px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #111;
  transition: .25s ease;
}
.mobile-menu {
  display: none;
  padding: 0 16px 18px;
  border-top: 1px solid rgba(0,0,0,.06);
  background: #fff;
}
.mobile-menu a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.mobile-menu .btn { margin-top: 14px; text-align: center; }

.hero {
  padding: 56px 0 72px;
  overflow: clip;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 42px;
  align-items: center;
}
.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 4.6vw, 4.3rem);
  line-height: 1.22;
  letter-spacing: .01em;
}
.lead {
  margin: 0 0 20px;
  color: rgba(255,255,255,.86);
  font-size: 1.06rem;
}
.hero-points,
.inline-points,
.footer-links,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-points {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-points li,
.inline-points li,
.check-list li {
  position: relative;
  padding-left: 28px;
}
.hero-points li::before,
.inline-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f48e3d, var(--primary));
  transform: translateY(-50%);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges span,
.chips span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  font-size: .92rem;
}
.hero-media img,
.side-figure img,
.cta-figure img {
  border-radius: 24px;
  box-shadow: var(--shadow);
  object-fit: cover;
}
.hero-media { position: relative; }
.hero-media::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(200,77,34,.4), rgba(200,77,34,0));
  filter: blur(6px);
  z-index: -1;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.align-center { align-items: center; }
.problem-layout { align-items: start; }
.cards-grid {
  display: grid;
  gap: 18px;
}
.cards-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.info-card,
.step-card,
.reason-item,
.cta-box {
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.info-card {
  padding: 24px;
}
.info-card h3,
.reason-item h3,
.step-card h3,
.faq-item summary,
.cta-copy h2,
.site-footer h2 {
  margin: 0 0 8px;
  line-height: 1.5;
}
.info-card h3,
.reason-item h3,
.step-card h3 { font-size: 1.1rem; }
.info-card p,
.reason-item p,
.step-card p,
.body-note,
.site-footer p { margin: 0; color: var(--text-soft); }
.side-figure { margin: 0; }
.feature-list,
.reason-list { display: grid; gap: 16px; }
.feature-list > div,
.reason-item {
  padding: 22px 24px;
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-sm);
}
.feature-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}
.table-wrap {
  overflow-x: auto;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.08);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.comparison-table th,
.comparison-table td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.comparison-table thead th {
  background: #151515;
  color: #fff;
  font-size: 1rem;
}
.comparison-table tbody tr:nth-child(even) td,
.comparison-table tbody tr:nth-child(even) th { background: #fafafa; }
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.chips span {
  background: #fff;
  color: #111;
  border: 1px solid rgba(0,0,0,.08);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.step-card {
  padding: 24px;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
  color: #fff;
}
.step-card p { color: rgba(255,255,255,.82); }
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f48e3d, var(--primary));
  font-weight: 700;
}
.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 26px;
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.faq-list { display: grid; gap: 14px; }
.faq-item {
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 58px 22px 22px;
  position: relative;
  font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.7rem;
  color: var(--primary);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--text-soft);
}
.cta-section { padding-top: 32px; }
.cta-box {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  padding: 28px;
  background: linear-gradient(135deg, #fff7f2, #ffffff);
}
.cta-copy h2 { font-size: clamp(1.85rem, 3vw, 3rem); }
.inline-points {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  margin: 18px 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,0,0,.12);
}
.btn-primary {
  background: linear-gradient(135deg, #ea6b35, var(--primary));
  color: #fff;
}
.btn-primary:hover { background: linear-gradient(135deg, #f07c49, var(--primary-dark)); }
.btn-secondary {
  background: transparent;
  color: inherit;
  border-color: rgba(255,255,255,.3);
}
.section:not(.section-dark) .btn-secondary,
.cta-box .btn-secondary {
  border-color: rgba(0,0,0,.14);
}
.btn-lg { min-height: 58px; padding-inline: 24px; }
.btn-sm { min-height: 44px; padding-inline: 16px; font-size: .92rem; }
.site-footer {
  margin-top: 24px;
  padding: 54px 0 22px;
  background: #0e0e0e;
  color: rgba(255,255,255,.82);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr .9fr;
  gap: 30px;
}
.site-footer h2 {
  font-size: 1rem;
  color: #fff;
}
.footer-links li { margin-bottom: 10px; }
.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
}

@media (max-width: 1100px) {
  .cards-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .header-inner { grid-template-columns: auto 1fr auto; }
  .header-nav { display: none; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
}

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .hero-grid,
  .two-col,
  .cta-box,
  .footer-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .cards-grid-2,
  .cards-grid-5,
  .check-list {
    grid-template-columns: 1fr;
  }
  .reverse-mobile .side-figure { order: -1; }
  .hero { padding-top: 32px; }
}

@media (max-width: 720px) {
  :root { --container: min(100% - 24px, 1120px); --narrow: min(100% - 24px, 960px); }
  .section-heading h2 { font-size: clamp(1.62rem, 7vw, 2.1rem); }
  .hero-copy h1 { font-size: clamp(1.95rem, 9.3vw, 2.8rem); }
  .lead { font-size: 1rem; }
  .site-header { position: sticky; }
  .brand img { width: 190px; }
  .hero-actions, .inline-points, .hero-badges { gap: 12px; }
  .hero-actions .btn, .cta-box .btn, .mobile-menu .btn { width: 100%; }
  .faq-item summary { padding-right: 50px; }
  .cta-box { padding: 20px; }
  .info-card, .step-card, .reason-item, .feature-list > div { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .nav-toggle span { transition: none; }
}

.mobile-menu.is-open { display: block; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }