:root {
  --bg: #f3f6f5;
  --surface: #ffffff;
  --text: #1f2a2e;
  --muted: #56646c;
  --primary: #1f6b7a;
  --primary-dark: #154f59;
  --accent: #2d7d53;
  --accent-dark: #236342;
  --border: #d3dde0;
  --warning-bg: #fff7df;
  --warning-border: #f0cf6b;
  --success-bg: #eaf7ee;
  --success-border: #86c79d;
  --error-bg: #fff0ef;
  --error-border: #e19d98;
  --shadow: 0 10px 24px rgba(26, 61, 74, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #eef7f7 0%, #f8f9f6 34%, #f3f6f5 100%);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(211, 221, 224, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.hero {
  background: linear-gradient(145deg, #f7fcfc 0%, #ffffff 55%, #f4fbf7 100%);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
}

h1,
h2 {
  line-height: 1.4;
}

h1 {
  margin: 0 0 12px;
  font-size: 1.8rem;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

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

.subtle,
.hint {
  color: var(--muted);
  font-size: 0.95rem;
}

.notice,
.warning,
.success,
.error {
  border-width: 1px;
  border-style: solid;
}

.notice {
  background: #f0f9fb;
  border-color: #a8d3de;
}

.notice-strong {
  background: #eef9ff;
}

.warning {
  background: var(--warning-bg);
  border-color: var(--warning-border);
}

.success {
  background: var(--success-bg);
  border-color: var(--success-border);
}

.error {
  background: var(--error-bg);
  border-color: var(--error-border);
}

.hidden {
  display: none;
}

.field {
  margin-bottom: 18px;
}

label,
legend {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

input,
select,
textarea,
.button {
  width: 100%;
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid var(--border);
  font: inherit;
}

input,
select,
textarea {
  padding: 12px 14px;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

fieldset {
  padding: 0;
  margin: 0 0 18px;
  border: 0;
}

.option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fbfdfd;
}

.option input {
  width: 22px;
  min-height: 22px;
  margin: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--primary-dark);
}

.button-secondary {
  background: #f7fafb;
  color: var(--text);
}

.button-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button-accent:hover,
.button-accent:focus-visible {
  background: var(--accent-dark);
}

.button-group {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.memo-text {
  margin: 0;
  padding: 16px;
  white-space: pre-wrap;
  word-break: break-word;
  background: #f8fbfb;
  border: 1px solid var(--border);
  border-radius: 14px;
  font-family: inherit;
  font-size: 1rem;
}

.status-title {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.status-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--muted);
}

.faq-item + .faq-item {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #e8eded;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.faq-item p,
.link-list,
.footer p {
  margin: 0;
}

.link-list {
  padding-left: 20px;
}

.link-list li + li {
  margin-top: 10px;
}

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

@media (min-width: 640px) {
  .page {
    padding: 28px 20px 48px;
  }

  .card {
    padding: 24px;
  }

  .button-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media print {
  body {
    background: #fff;
    font-size: 12pt;
  }

  .page {
    max-width: none;
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 0;
    padding: 0;
    margin: 0 0 14pt;
  }

  .print-hide,
  #error-summary,
  .button-group,
  #copy-status,
  .footer,
  .hero .eyebrow,
  .hero .lead {
    display: none !important;
  }

  .print-keep {
    display: block !important;
  }

  .memo-text {
    border: 1px solid #bbb;
    background: #fff;
    padding: 10pt;
  }
}