@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b7280;
  --color-accent: #3b6ef6;
  --color-accent-light: #eff3ff;
  --color-border: #e5e7eb;
  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
  --max-width: 900px;
  --nav-height: 64px;
}

html {
  scroll-behavior: smooth;
}

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

/* ── Navigation ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

/* ── Layout ── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 120px;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 48px;
  align-items: center;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--color-border);
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-text .subtitle {
  color: var(--color-accent);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-text p {
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 480px;
}

.hero-img img {
  width: 220px;
  height: 220px;
  border-radius: 16px;
  object-fit: cover;
  display: block;
}

/* ── Section ── */
section {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
}

section:last-child {
  border-bottom: none;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

h2 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ── Tags ── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 99px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 20px;
}

.card-body h3 {
  font-size: 1rem;
}

.card-body p {
  font-size: 0.85rem;
  margin-top: 6px;
}

/* ── Info List ── */
.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}

.info-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-size: 0.95rem;
}

.info-list .label {
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 500;
  min-width: 72px;
}

/* ── Hobby Grid ── */
.hobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.hobby-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.hobby-card .icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.hobby-card h3 {
  font-size: 0.95rem;
}

.hobby-card p {
  font-size: 0.82rem;
  margin-top: 4px;
}

/* ── Contact ── */
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px;
  margin-top: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item .label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.contact-item .value {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-top: 2px;
}

.contact-item a {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

.note {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 32px 24px;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ── Page Header (works / contact) ── */
.page-header {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  margin-top: 8px;
  margin-bottom: 12px;
}

.page-header p {
  max-width: 520px;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-img {
    order: -1;
    display: flex;
    justify-content: center;
  }

  .hero-img img {
    width: 160px;
    height: 160px;
  }

  .hero-text p {
    margin: 0 auto;
  }

  .nav-links {
    gap: 20px;
  }

  .contact-card {
    padding: 24px;
  }
}