:root {
  --bg: #f7f4f1;
  --panel: #ffffff;
  --panel-soft: #f4f0eb;
  --line: rgba(23, 23, 23, 0.12);
  --text: #171717;
  --muted: #5f5b56;
  --gold-1: #f4e4bf;
  --gold-2: #d8b46a;
  --gold-3: #b7843a;
  --shadow: 0 18px 42px rgba(23, 23, 23, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 34px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a:hover { color: var(--text); }

.page {
  padding: 92px 0 80px;
}

.hero {
  padding-top: 80px;
  padding-bottom: 60px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 24px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.brand-wordmark {
  display: block;
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.2rem, 9vw, 11rem);
  line-height: 0.82;
  letter-spacing: -0.08em;
  font-weight: 700;
  color: transparent;
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 18%, #f8e9c4 38%, var(--gold-3) 60%, var(--gold-1) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 2px 0 rgba(190,150,90,0.5), 0 10px 20px rgba(112,82,34,0.12);
}

.hero-copy {
  max-width: 760px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 1.08rem;
}

.mockup-wrap {
  max-width: 250px;
  margin: 12px auto 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.mockup-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 15px 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--text);
  color: var(--panel);
  border-color: var(--text);
}

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

.section-label {
  margin: 0 0 12px;
  color: var(--gold-3);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.05em;
  font-weight: 500;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  margin-top: 30px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.card.gold {
  background: linear-gradient(180deg, #fff 0%, #f6f1ea 100%);
}

.card h3 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.05em;
  font-weight: 500;
}

.card p,
.card li,
.text-block p,
.text-block li {
  color: var(--muted);
  font-size: 0.98rem;
}

.card ul,
.text-block ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.project-card {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 20px;
}

.project-card.highlight {
  background: var(--text);
  color: var(--panel);
}

.project-card.highlight h3,
.project-card.highlight p {
  color: var(--panel);
}

.project-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

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

.text-block {
  max-width: 760px;
}

.text-block p {
  margin: 0 0 16px;
}

.profile-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.profile-box h3 {
  margin: 0 0 14px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.profile-layout {
  display: flex;
  align-items: center;
  gap: 28px;
}

.profile-image {
  width: 180px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
}

.contact-box {
  margin-top: 28px;
  padding: 22px 24px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.contact-box a {
  text-decoration: underline;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  text-align: center;
  color: rgba(23, 23, 23, 0.7);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .site-header .container,
  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 18px;
    padding: 12px 0;
  }

  .summary-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .profile-layout {
    flex-direction: column;
    align-items: flex-start;
  }

  .page { padding-top: 64px; }
  .hero { padding-top: 62px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; text-align: center; }
}