/* ─────────────────────────────────────────────────────
   dannpen.com — official site
   Quiet, warm, minimal. No animations.
   ───────────────────────────────────────────────────── */

/* ─── Reset / Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', system-ui, sans-serif;
  font-weight: 300;
  background: #faf8f4;
  color: #2a2724;
  line-height: 1.85;
}

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

/* ─── Layout container ─── */
.inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 248, 244, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(42, 39, 36, 0.07);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.header-logo {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: #2a2724;
}

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

.header-nav a {
  font-size: 13px;
  font-weight: 300;
  color: #8a847a;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.header-nav a:hover { color: #2a2724; }

/* ─── Hero ─── */
.hero {
  padding: 112px 0 96px;
  text-align: center;
}

.hero-kicker {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #b8b1a4;
  margin-bottom: 36px;
}

.hero-mark {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  font-size: clamp(60px, 13vw, 92px);
  letter-spacing: 0.08em;
  line-height: 1.05;
  color: #2a2724;
  margin-bottom: 40px;
}

.hero-tagline {
  font-family: 'Shippori Mincho B1', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  font-weight: 400;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 2.1;
  color: #5a534b;
  letter-spacing: 0.06em;
}
.tagline-sp { display: none; }

/* ─── Section common ─── */
.section {
  padding: 88px 0;
  border-top: 1px solid rgba(42, 39, 36, 0.08);
}

.section-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #b8b1a4;
  margin-bottom: 40px;
}

/* ─── About ─── */
.about-body {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about-en {
  font-size: 16px;
  line-height: 1.95;
  color: #2a2724;
  letter-spacing: 0.01em;
}

.about-ja {
  font-size: 14px;
  line-height: 2.15;
  color: #5a534b;
  letter-spacing: 0.04em;
}

/* ─── Projects ─── */
.project-card {
  background: #f3efe7;
  border-radius: 12px;
  padding: 40px;
}

.project-meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.project-name {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 400;
  font-size: 30px;
  letter-spacing: 0.04em;
  color: #2a2724;
}

.project-platform {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8a847a;
  border: 1px solid rgba(42, 39, 36, 0.18);
  border-radius: 4px;
  padding: 2px 7px;
}

.project-subtitle {
  font-family: 'Shippori Mincho B1', 'Yu Mincho', serif;
  font-weight: 400;
  font-size: 16px;
  color: #5a534b;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.project-desc {
  font-size: 14px;
  line-height: 2.05;
  color: #5a534b;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.project-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #2a2724;
  border-bottom: 1px solid rgba(42, 39, 36, 0.28);
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.15s;
}
.project-link:hover {
  color: #1a1614;
  border-color: #2a2724;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

/* ─── Contact ─── */
.contact-lead {
  font-size: 14px;
  color: #8a847a;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.contact-email {
  display: inline-block;
  font-size: 16px;
  font-weight: 300;
  color: #2a2724;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(42, 39, 36, 0.22);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.contact-email:hover { border-color: #2a2724; }

/* ─── Footer ─── */
.site-footer {
  border-top: 1px solid rgba(42, 39, 36, 0.08);
  padding: 36px 0;
}

.site-footer .inner {
  display: flex;
  justify-content: center;
}

.site-footer span {
  font-size: 12px;
  color: #b8b1a4;
  letter-spacing: 0.1em;
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
  .inner { padding: 0 24px; }

  .hero { padding: 80px 0 72px; }
  .hero-kicker { margin-bottom: 28px; }
  .hero-mark { margin-bottom: 32px; }

  .section { padding: 64px 0; }

  .header-nav { display: none; }

  .project-card { padding: 28px 24px; }
  .project-name { font-size: 26px; }

  .about-en { font-size: 15px; }

  .tagline-pc { display: none; }
  .tagline-sp { display: block; }
  .tagline-sp .tl-line { display: block; }
}