*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #f7fbfd;
  --bg-muted: #eef6f8;
  --ink: #1f2933;
  --ink-soft: #4b5b66;
  --line: #cfdfe5;
  --accent: #3aa8b8;
  --paper: #ffffff;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.65), rgba(231, 245, 249, 0.4)),
    radial-gradient(circle at top left, rgba(186, 225, 235, 0.35), transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.75;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 90%);
}

.form-meta {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
}

.form-meta ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.contact-form {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 28px;
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.form-row label {
  font-weight: 500;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-row label span {
  font-size: 0.75rem;
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 999px;
  color: var(--accent);
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--line);
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.brand span {
  font-family: "Crimson Text", "Times New Roman", serif;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  margin: 0;
}

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.site-nav a {
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-nav a:hover {
  border-color: var(--accent);
}

.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.eyebrow {
  font-size: 0.9rem;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1 {
  font-family: "Crimson Text", "Times New Roman", serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 0 0 20px;
  line-height: 1.2;
}

.lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin: 0;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-card {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(43, 43, 40, 0.08);
}

.hero-media {
  padding: 0;
  overflow: hidden;
}

.hero-photo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.section {
  padding: 64px 0;
}

.section h2 {
  font-family: "Crimson Text", "Times New Roman", serif;
  font-size: 2rem;
  margin-bottom: 24px;
}

.point-list,
.service-list,
.value-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

.point-list li,
.service-list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
}

.shaded {
  background: var(--bg-muted);
}

.value {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(238, 246, 248, 0.8));
}

.value-list {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.value-list li {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid rgba(58, 168, 184, 0.6);
  background: var(--paper);
  color: var(--ink-soft);
  box-shadow: 0 14px 28px rgba(31, 41, 51, 0.06);
}

.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.step-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 20px;
}

.step-number {
  font-family: "Crimson Text", "Times New Roman", serif;
  font-size: 1.4rem;
  color: var(--accent);
}

.step-list h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.step-list p {
  margin: 0;
  color: var(--ink-soft);
}

.contact {
  background: linear-gradient(180deg, rgba(233, 246, 249, 0.75), rgba(247, 251, 253, 0.6));
}

.contact-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  align-items: center;
}

.contact-lead {
  margin: 0;
  font-size: 1.05rem;
}

.contact-actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 500;
  background: rgba(58, 168, 184, 0.06);
  transition: background 0.2s ease, color 0.2s ease;
}

.button:hover {
  background: var(--accent);
  color: #ffffff;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
}

.button-primary:hover {
  background: #2a8b99;
}

.subtext {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--ink-soft);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.9rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Crimson Text", "Times New Roman", serif;
  letter-spacing: 0.06em;
}

.footer-brand img {
  height: 30px;
  width: auto;
  object-fit: contain;
  opacity: 0.8;
}

.footer-meta {
  text-align: right;
}

.footer-meta a {
  color: inherit;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 720px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-card {
    order: -1;
  }

  .step-list li {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    text-align: left;
  }
}