:root {
  --bg: #f6f7f1;
  --text: #111827;
  --line: #d4d4d8;
  --surface: #ffffff;
  --primary: #0f3d2e;
  --secondary: #d46f27;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 75% 8%, #fde68a 0%, transparent 34%),
    radial-gradient(circle at 5% 96%, #bfdbfe 0%, transparent 30%),
    var(--bg);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  position: relative;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.brand-logo {
  width: 92px;
  height: auto;
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
  color: #1f2937;
  margin-left: 16px;
  font-size: 14px;
  font-weight: 600;
}

.grid-hero {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 18px 0 54px;
}

.hero-title {
  margin: 0;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.18;
}

.eyebrow {
  letter-spacing: 0.24em;
  color: #92400e;
  font-size: 12px;
  margin: 0 0 8px;
}

.lead {
  max-width: 700px;
  color: #374151;
  line-height: 1.9;
}

.hero-card {
  border-radius: 24px;
  border: 1px solid #115e59;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 35%),
    linear-gradient(160deg, #0f766e 0%, #134e4a 100%);
  color: #fff;
  padding: 28px;
  box-shadow: 0 14px 34px rgba(2, 44, 34, 0.24);
}

.hero-image {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
}

.section-title {
  margin: 8px 0 14px;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.3;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 36px;
}

.visual-card {
  overflow: hidden;
  padding: 0;
}

.visual-card img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.visual-card p {
  margin: 0;
  padding: 12px 14px 14px;
}

.template-step {
  margin-bottom: 34px;
}

.template-step .panel {
  background: linear-gradient(160deg, #ffffff 0%, #f8fafc 100%);
}

.seo-points {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #374151;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  text-decoration: none;
  color: #1e293b;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  margin-right: 8px;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #f8fafc;
}

.panel {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 44px;
}

.card-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 48px;
}

.work-card {
  overflow: hidden;
  padding: 0;
}

.work-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.work-body {
  padding: 14px;
}

.field,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px 12px;
  font-size: 14px;
  margin-bottom: 10px;
}

textarea {
  min-height: 90px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 14px;
  padding-bottom: 48px;
}

.message {
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-size: 14px;
}

.message.error {
  background: #fee2e2;
  color: #991b1b;
}

.message.success {
  background: #dcfce7;
  color: #166534;
}

.page-main {
  padding-bottom: 44px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.plans-grid {
  margin-bottom: 18px;
}

.plans-table-wrap {
  overflow-x: auto;
  margin-bottom: 20px;
}

.plans-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.plans-table th,
.plans-table td {
  border: 1px solid #d1d5db;
  text-align: left;
  padding: 10px;
  font-size: 14px;
}

.plans-table th {
  background: #f3f4f6;
}

.plan-card {
  position: relative;
}

.plan-card.featured {
  border-color: #d46f27;
  box-shadow: 0 10px 22px rgba(212, 111, 39, 0.24);
}

.price {
  margin: 6px 0 10px;
  font-size: 28px;
  font-weight: 700;
  color: #7c2d12;
}

.contact-form {
  max-width: 760px;
}

.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin: 4px 0 6px;
}

.field-error {
  color: #b91c1c;
  font-size: 13px;
  margin: -4px 0 8px;
}

.site-contact {
  border-top: 1px solid var(--line);
  margin: 8px 0 40px;
  padding-top: 18px;
  color: #1f2937;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.site-contact-info {
  flex: 1;
}

.site-contact p {
  margin: 4px 0;
  line-height: 1.7;
}

.site-contact-qr {
  flex-shrink: 0;
  margin: 0;
}

.site-contact-qr img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  display: block;
}

.site-contact .label {
  font-weight: 700;
}

@media (max-width: 900px) {
  .grid-hero,
  .card-grid,
  .card-grid.two-col,
  .works-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .header {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    margin-left: 0;
    font-size: 15px;
    padding: 6px 4px;
  }

  .visual-grid {
    grid-template-columns: 1fr;
  }

  .site-contact {
    flex-direction: column;
    margin-bottom: 24px;
  }
}