/* 人生イベントナビ 公式サポート — GitHub Pages */

:root {
  --color-bg: #ffffff;
  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-blue: #5ac8fa;
  --color-blue-soft: #e8f6fc;
  --color-mint: #5cd6b3;
  --color-mint-soft: #e8faf4;
  --color-pink: #ff6b9d;
  --color-pink-soft: #fff0f5;
  --color-border: #e8e8ed;
  --color-card: #fbfbfd;
  --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  --max-width: 680px;
  --radius: 14px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: #0071e3;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */

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

.site-header a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-header a:hover {
  color: var(--color-pink);
  text-decoration: none;
}

/* Hero */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 20px 32px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-mint);
  background: var(--color-mint-soft);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 6vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.hero .tagline {
  margin: 0 0 28px;
  font-size: clamp(17px, 4vw, 20px);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: -0.01em;
}

.hero-accent {
  background: linear-gradient(135deg, var(--color-blue-soft) 0%, var(--color-mint-soft) 50%, var(--color-pink-soft) 100%);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
}

.hero-accent p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}

/* Main */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 64px;
}

section {
  margin-bottom: 40px;
}

section h2 {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-blue-soft);
}

/* Feature list */

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding: 14px 16px 14px 44px;
  margin-bottom: 8px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 15px;
  line-height: 1.6;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-blue), var(--color-mint));
}

/* Link cards */

.link-grid {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-card {
  display: block;
  padding: 18px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.link-card:hover {
  text-decoration: none;
  border-color: var(--color-pink);
  box-shadow: var(--shadow);
}

.link-card .arrow {
  float: right;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Contact */

.contact-box {
  background: var(--color-blue-soft);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.contact-box p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.contact-box a {
  font-size: 17px;
  font-weight: 600;
  color: #0071e3;
  word-break: break-all;
}

/* Legal pages */

.legal-page main {
  padding-top: 8px;
}

.legal-page h1 {
  margin: 0 0 8px;
  font-size: clamp(24px, 5vw, 30px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.legal-page .updated {
  margin: 0 0 28px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.legal-intro {
  margin: 0 0 32px;
  padding: 20px 22px;
  font-size: 15px;
  line-height: 1.8;
  background: linear-gradient(135deg, var(--color-blue-soft) 0%, var(--color-mint-soft) 50%, var(--color-pink-soft) 100%);
  border-radius: var(--radius);
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 17px;
  margin-bottom: 12px;
  border-bottom: none;
  padding-bottom: 0;
  color: var(--color-text);
}

.legal-section p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section ul {
  margin: 0 0 12px;
  padding-left: 1.4em;
  font-size: 15px;
  line-height: 1.8;
}

.legal-section li {
  margin-bottom: 6px;
}

.legal-contact {
  margin-top: 40px;
  padding: 24px;
  background: var(--color-mint-soft);
  border-radius: var(--radius);
}

.legal-contact h2 {
  font-size: 16px;
  margin-bottom: 8px;
  border-bottom: none;
}

.legal-contact p {
  margin: 0;
  font-size: 15px;
}

/* Footer */

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.site-footer nav {
  margin-top: 16px;
  font-size: 13px;
}

.site-footer nav a {
  margin: 0 10px;
  color: var(--color-text-secondary);
}

.site-footer nav a:hover {
  color: var(--color-pink);
}

/* Responsive */

@media (min-width: 600px) {
  .hero {
    padding-top: 64px;
  }

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