:root {
  --color-bg: #faf8f3;
  --color-surface: #ffffff;
  --color-text: #2b2620;
  --color-muted: #6b6255;
  --color-primary: #2f6b3e;
  --color-primary-dark: #234f2e;
  --color-border: #e4ddd0;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.hero {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-primary);
  color: #fff;
}

.hero-placeholder {
  height: 160px;
  border: 2px dashed rgba(255,255,255,0.5);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 12px;
}

.company-name {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.05em;
}

.hero-sub {
  padding: 16px;
}

.back-link {
  display: inline-block;
  margin: 16px 0;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 14px;
}

.banner-row {
  display: flex;
  gap: 10px;
  margin: 16px 0;
}

.banner {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px 12px;
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  font-weight: bold;
  font-size: 15px;
  cursor: pointer;
}

.banner-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.banner-image {
  padding: 0;
  overflow: hidden;
}

.banner-placeholder {
  display: block;
  width: 100%;
  padding: 32px 12px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}

.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

.form-section h2 {
  margin-top: 0;
  font-size: 18px;
}

.form-section label {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--color-muted);
}

.form-section input,
.form-section textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
}

.required {
  color: #b3452c;
  font-size: 11px;
  margin-left: 6px;
}

.sample-rows h3 {
  font-size: 14px;
  margin-bottom: 8px;
}

.sample-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.sample-row input {
  margin-top: 0;
}

.add-sample-btn {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 14px;
  border: 1px solid var(--color-primary);
  background: #fff;
  color: var(--color-primary);
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

.submit-btn:active {
  background: var(--color-primary-dark);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  min-height: 20px;
  font-size: 13px;
  margin-top: 10px;
}

.form-message.success { color: var(--color-primary); }
.form-message.error { color: #b3452c; }

.offices {
  margin: 24px 0;
}

.offices h2 {
  font-size: 18px;
}

.office-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.office-list li {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.office-list li:last-child {
  border-bottom: none;
}

.office-list p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--color-muted);
}

.contact-save {
  margin: 24px 0;
}

.sns {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 24px 0;
}

.sns-icon {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
}