:root{
  --bg: #f8fbff;
  --ink: #0f172a;
  --muted: rgba(15, 23, 42, 0.55);
  --line: rgba(120, 160, 200, 0.18);
  --glow: rgba(140, 200, 255, 0.35);
  --card: rgba(255, 255, 255, 0.62);
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  background: radial-gradient(1200px 800px at 50% 10%, rgba(180, 225, 255, 0.25), transparent 55%),
              radial-gradient(900px 650px at 25% 85%, rgba(200, 240, 255, 0.18), transparent 60%),
              var(--bg);
  color: var(--ink);
  font-family: "Noto Serif JP", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
}

.wrap{
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 22px 72px;
}

.hero{
  display: grid;
  gap: 18px;
  justify-items: start;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.hero__image{
  width: min(420px, 86vw);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(12, 30, 60, 0.08);
}

.hero__image img{
  display: block;
  width: 100%;
  height: auto;
}

.hero__line{
  margin: 2px 0 0;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.8;
}

.hero__sub{
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: lowercase;
  color: var(--muted);
}

.log{
  padding-top: 22px;
  display: grid;
  gap: 12px;
}

.entry{
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 10px 22px rgba(12, 30, 60, 0.06);
  backdrop-filter: blur(8px);
}

.entry time{
  display: block;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}

.entry p{
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
}

.about{
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: rgba(15,23,42,0.78);
}

.about p{
  margin: 10px 0;
  line-height: 2.0;
  font-size: 15px;
}

.footer{
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
}

.footer__small{
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  font-size: 12px;
  color: var(--muted);
}

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* small screens */
@media (max-width: 520px){
  .wrap{ padding: 40px 16px 60px; }
  .entry{ padding: 12px 14px; }
}