:root {
  --ink: #1f2430;
  --ink-soft: #5a6072;
  --bg: #fbfaf8;
  --card: #ffffff;
  --accent: #d97757;
  --accent-soft: #f4ded4;
  --border: #e8e5df;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(251, 250, 248, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo span { color: var(--accent); }

.gnav {
  display: flex;
  gap: 28px;
  font-size: 14px;
}

.gnav a {
  color: var(--ink-soft);
  transition: color 0.2s;
}
.gnav a:hover { color: var(--ink); }

/* Hero */
.hero {
  padding: 96px 0 80px;
}

.hero-inner { max-width: 720px; }

.hero-eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1.5;
  margin: 0 0 20px;
  font-weight: 700;
}

.hero-lead {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0 0 32px;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31,36,48,0.18);
}

/* Section titles */
.section-title {
  font-size: 26px;
  margin: 0 0 8px;
  font-weight: 700;
}

.section-lead {
  color: var(--ink-soft);
  font-size: 14px;
  margin: 0 0 40px;
}

section { padding: 72px 0; }

/* Skills */
.skills { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 32px;
}

.skill-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.skill-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 16px;
}
.skill-icon svg { width: 100%; height: 100%; }

.skill-card h3 {
  font-size: 16px;
  margin: 0 0 10px;
}

.skill-card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

/* Works */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.work-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(31,36,48,0.10);
}

.work-thumb {
  height: 220px;
  border-bottom: 1px solid var(--border);
}

.work-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.thumb-beauty {
  background: linear-gradient(135deg, #f2c9c2, #d97757);
}
.thumb-corporate {
  background: linear-gradient(135deg, #2f3542, #5a6072);
}
.thumb-architecture {
  background: linear-gradient(135deg, #c9c2ae, #55624e);
}

.work-body { padding: 22px 24px 26px; }

.work-tag {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 8px;
}

.work-body h3 {
  font-size: 17px;
  margin: 0 0 10px;
}

.work-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

/* About / Contact */
.about-inner p, .contact-inner p {
  max-width: 640px;
  color: var(--ink-soft);
}

.contact { background: var(--card); border-top: 1px solid var(--border); }
.contact-inner { text-align: left; }
.contact .btn { margin-top: 16px; }

/* Footer */
.site-footer {
  padding: 32px 0;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: center;
}

/* Responsive */
@media (max-width: 720px) {
  .hero { padding: 64px 0 56px; }
  .skills-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: 1fr; }
  .gnav { gap: 16px; font-size: 13px; }
  section { padding: 56px 0; }
}

@media (max-width: 420px) {
  .header-inner { height: 56px; }
  .logo { font-size: 18px; }
}