:root {
  color-scheme: light;
  --ground: #fbfaf7;
  --ground-alt: #f1ede4;
  --ink: #1a1d23;
  --ink-soft: #4e5560;
  --accent: #0f5f5c;
  --accent-dark: #0a4744;
  --accent-pale: #e3ece9;
  --line: #ddd6c9;
  --serif: 'Shippori Mincho', serif;
  --sans: 'Zen Kaku Gothic New', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
  background: var(--ground);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 700; line-height: 1.5; }
p { margin: 0 0 1.2em; }
ul, ol, dl { margin: 0; padding: 0; }
li { list-style: none; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: none; }
@media (min-width: 768px) { .pc-only { display: inline; } }

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.logo {
  font-family: var(--serif);
  font-size: 1.06rem;
  letter-spacing: 0.04em;
}
.site-nav ul { display: flex; align-items: center; gap: 26px; }
.site-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--accent); }
.nav-cta {
  padding: 9px 20px;
  background: var(--accent);
  border-radius: 3px;
  color: #fff !important;
  font-weight: 700;
}
.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  cursor: pointer;
  margin-right: -8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.2s;
}

@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--ground);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; padding: 16px 24px 24px; }
  .site-nav li { width: 100%; }
  .site-nav a { display: block; padding: 10px 0; font-size: 1rem; }
  .nav-cta { display: inline-block !important; margin-top: 8px; }
}
@media (min-width: 861px) {
  .nav-toggle { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 84px 0 64px;
  background:
    linear-gradient(180deg, var(--accent-pale) 0%, rgba(227, 236, 233, 0) 62%),
    var(--ground);
}
.hero-eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(1.75rem, 5.6vw, 3rem);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.hero-lead {
  font-size: 1.02rem;
  color: var(--ink-soft);
  max-width: 40em;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block;
  padding: 15px 34px;
  border-radius: 3px;
  font-size: 0.98rem;
  font-weight: 700;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ---------- Summary box ---------- */
.summary-wrap { padding: 0 0 8px; }
.summary {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  background: #fff;
  border-radius: 3px;
  padding: 30px 28px 22px;
}
.summary h2 {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 18px;
}
.summary dl > div {
  display: grid;
  grid-template-columns: 7.5em 1fr;
  gap: 4px 18px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}
.summary dl > div:first-of-type { border-top: none; padding-top: 0; }
.summary dt { font-weight: 700; font-size: 0.92rem; color: var(--ink-soft); }
.summary dd { margin: 0; font-size: 0.96rem; }
.dateline {
  margin: 16px 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
@media (max-width: 600px) {
  .summary dl > div { grid-template-columns: 1fr; }
  .summary dt { font-size: 0.82rem; letter-spacing: 0.06em; }
}

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section-alt { background: var(--ground-alt); }
.section-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.42rem, 3.6vw, 2rem);
  margin-bottom: 20px;
}
.section-intro {
  max-width: 44em;
  color: var(--ink-soft);
  margin-bottom: 44px;
}
.section-intro strong { color: var(--ink); }

/* ---------- Q&A ---------- */
.qa {
  max-width: 46em;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.qa:last-child { border-bottom: 1px solid var(--line); }
.qa h3 {
  position: relative;
  font-size: 1.16rem;
  padding-left: 1.7em;
  margin-bottom: 14px;
}
.qa h3::before {
  content: "Q.";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--serif);
}
.qa p { padding-left: 1.7em; color: var(--ink-soft); }
.qa p strong { color: var(--ink); font-weight: 700; }
.qa p:last-child { margin-bottom: 0; }

.compare {
  display: grid;
  gap: 14px;
  margin: 20px 0 0 1.7em;
}
@media (min-width: 700px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 18px 20px;
}
.compare-col-accent { border-color: var(--accent); background: var(--accent-pale); }
.compare-head {
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}
.compare-col p:last-child { margin-bottom: 0; font-size: 0.92rem; line-height: 1.8; }
.compare-col { padding-left: 20px; }
.compare-col p { padding-left: 0; }

/* ---------- Works ---------- */
.works-grid {
  display: grid;
  gap: 22px;
}
@media (min-width: 820px) { .works-grid { grid-template-columns: repeat(3, 1fr); } }
.work-card {
  display: flex;
  flex-direction: column;
  background: var(--ground);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 26px 24px;
}
.work-type {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--accent);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.work-card h3 { font-size: 1.12rem; margin-bottom: 12px; }
.work-desc { font-size: 0.93rem; color: var(--ink-soft); }
.work-point {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink-soft);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 12px 14px;
}
.work-point span {
  display: block;
  font-weight: 900;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 4px;
}
.work-link {
  margin-top: auto;
  align-self: flex-start;
  font-weight: 700;
  font-size: 0.93rem;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.work-link::after { content: " →"; }
.work-link:hover { color: var(--accent-dark); }

/* ---------- Price ---------- */
.price-grid { display: grid; gap: 22px; }
@media (min-width: 760px) { .price-grid { grid-template-columns: 1fr 1fr; } }
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 3px;
  padding: 30px 28px;
}
.price-name {
  font-weight: 900;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.price-value {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 1.2;
  color: var(--accent);
  margin-bottom: 20px;
}
.price-value span {
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
  margin-left: 6px;
}
.price-list li {
  position: relative;
  padding-left: 1.35em;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.price-list li:last-child { margin-bottom: 0; }

/* ---------- Profile ---------- */
.profile-body { max-width: 44em; }
.profile-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.profile-name span {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin-left: 12px;
  letter-spacing: 0.06em;
}
.profile-body p { color: var(--ink-soft); }
.text-link {
  color: var(--accent);
  font-weight: 700;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.text-link:hover { color: var(--accent-dark); }

/* ---------- Contact ---------- */
.section-contact { background: var(--accent); color: #fff; }
.section-contact .section-label { color: rgba(255, 255, 255, 0.75); }
.section-contact .section-title { color: #fff; }
.section-contact .section-intro { color: rgba(255, 255, 255, 0.88); }
.contact-list { max-width: 34em; }
.contact-list > div {
  display: grid;
  grid-template-columns: 6em 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}
.contact-list > div:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.28); }
.contact-list dt { font-weight: 700; font-size: 0.92rem; color: rgba(255, 255, 255, 0.8); }
.contact-list dd { margin: 0; }
.contact-list a {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  padding-bottom: 2px;
  word-break: break-all;
}
.contact-list a:hover { border-color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.66);
  padding: 44px 0;
  font-size: 0.85rem;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 1.06rem;
  color: #fff;
  margin-bottom: 10px;
}
.footer-meta { margin-bottom: 4px; }
.footer-copy { margin: 18px 0 0; opacity: 0.6; }