:root {
  --color-navy: #1f5f91;
  --color-navy-dark: #123a5e;
  --color-accent: #2f8fd1;
  --color-accent-dark: #1f6fac;
  --color-bg: #f7f5f1;
  --color-surface: #ffffff;
  --color-text: #26313d;
  --color-text-muted: #5b6b78;
  --color-border: #e2ddd4;
  --radius: 10px;
  --container-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  font-size: 16px;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-inline: 20px;
}

h1, h2, h3 {
  line-height: 1.4;
  margin: 0 0 0.6em;
  color: var(--color-navy-dark);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-navy);
}

/* Buttons */
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
  transition: background-color .15s ease, transform .15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  padding: 12px 28px;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.1rem;
}

/* Header */
.site-header {
  background: var(--color-navy-dark);
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.logo {
  color: #fff;
  font-weight: 700;
  letter-spacing: .03em;
  font-size: 1.05rem;
}

.logo span {
  color: var(--color-accent);
}

.header-cta {
  padding: 8px 18px;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--color-navy-dark), var(--color-navy) 85%);
  color: #fff;
  padding-block: 56px 64px;
}

.hero-eyebrow {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 0.8em;
}

.hero h1 {
  color: #fff;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  max-width: 20ch;
}

.hero-lead {
  font-size: 1.05rem;
  color: #dfe6ec;
  max-width: 46ch;
}

.hero-actions {
  margin-block: 28px 20px;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 0.92rem;
  color: #cfd9e1;
}

.hero-points li::before {
  content: "✓ ";
  color: var(--color-accent);
  font-weight: 700;
}

/* Sections */
.section {
  padding-block: 56px;
}

.section-title {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  text-align: center;
}

.section-lead {
  text-align: center;
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: 2.2em;
  color: var(--color-text-muted);
}

.reasons {
  background: var(--color-surface);
}

/* Founder */
.founder {
  background: var(--color-bg);
}

.founder-inner {
  max-width: 860px;
}

.founder-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  flex-wrap: wrap;
}

.founder-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  margin-inline: auto;
}

.founder-text {
  flex: 1;
  min-width: 240px;
}

.founder-name {
  font-weight: 700;
  color: var(--color-navy-dark);
  margin-bottom: 0.8em;
}

.founder-text p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.founder-text p:last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .founder-card {
    flex-direction: column;
    padding: 24px;
  }

  .founder-name {
    text-align: center;
  }

  .founder-text {
    min-width: 0;
    width: 100%;
    text-align: left;
  }
}

/* Cards */
.cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.reasons .card {
  text-align: center;
}

.card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--color-accent);
}

.reasons .card-icon {
  margin-inline: auto;
}

.services .card-icon {
  margin-inline: 0;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5em;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.services-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-top: 8px;
}

/* Examples */
.examples {
  background: var(--color-surface);
}

.examples-gallery {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-bottom: 24px;
}

.examples-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.examples-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.examples-item figcaption {
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Pricing */
.pricing {
  background: var(--color-navy);
  color: #fff;
  text-align: center;
}

.pricing-inner {
  max-width: 60ch;
}

.pricing .section-title {
  color: #fff;
}

.pricing p {
  color: #dfe6ec;
}

/* Company table */
.company-table {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.company-table th,
.company-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th {
  width: 8em;
  background: #faf8f5;
  color: var(--color-text-muted);
  font-weight: 700;
}

.company-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.92rem;
}

/* Contact form */
.contact {
  background: var(--color-surface);
}

.contact-inner {
  max-width: 640px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-weight: 700;
  font-size: 0.92rem;
}

.required {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
  background: #e3f0fa;
  color: var(--color-accent-dark);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.contact-form button {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  margin-top: 8px;
}

.form-flash {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.form-note {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0;
  font-weight: 700;
}

.form-note[data-state="error"] {
  color: #b3261e;
}

.form-note[data-state="success"] {
  color: #1a7a4c;
}

/* Footer */
.site-footer {
  background: var(--color-navy-dark);
  color: #cfd9e1;
  padding-block: 28px;
  font-size: 0.88rem;
}

.footer-inner p {
  margin: 0 0 4px;
}

.footer-inner a {
  color: #fff;
}

/* Admin */
.admin-wrap {
  padding-block: 40px;
}

.admin-subtitle {
  text-align: left;
  font-size: 1.15rem;
  margin-top: 2.2em;
}

.admin-content-form {
  max-width: 640px;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table th,
.admin-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  vertical-align: top;
}

.admin-table th {
  background: #faf8f5;
  color: var(--color-text-muted);
}

.admin-message {
  max-width: 360px;
  white-space: pre-wrap;
}

.btn-danger {
  border: none;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fdeaea;
  color: #b3261e;
  font-weight: 700;
  font-size: 0.85rem;
}

.btn-danger:hover {
  background: #f8d3d3;
}

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 600px) {
  .section {
    padding-block: 40px;
  }

  .hero {
    padding-block: 40px 48px;
  }

  .contact-form button {
    align-self: stretch;
  }
}