:root {
  --color-bg: #ffe4ec;
  --color-surface: #ffffff;
  --color-text: #222831;
  --color-muted: #6b7280;
  --color-accent: #3a7bd5;
  --color-accent-light: #eaf1fb;
  --color-border: #e5e7eb;
  --radius: 12px;
  --max-width: 880px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-muted);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-accent);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3rem;
}

.hero__photo {
  flex: 0 0 200px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero__text {
  flex: 1 1 320px;
}

.hero__text h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.hero__role {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

section + section {
  margin-top: 3rem;
}

h2 {
  font-size: 1.4rem;
  border-left: 4px solid var(--color-accent);
  padding-left: 0.6rem;
  margin-bottom: 1.2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.card__body {
  padding: 1.1rem 1.2rem 1.3rem;
}

.card__body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card__body p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tag-list li {
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.contact-list .label {
  font-weight: 600;
  min-width: 100px;
  color: var(--color-muted);
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
}

.btn:hover {
  opacity: 0.9;
  text-decoration: none;
}

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 600px) {
  .site-header__inner {
    flex-direction: column;
    gap: 0.6rem;
  }

  .hero {
    text-align: center;
    justify-content: center;
  }
}