:root {
  --bg: #fbf6ee;
  --surface: #ffffff;
  --surface-2: #f4ede2;
  --ink: #2b2622;
  --ink-2: #6b625a;
  --line: #e6dccd;
  --accent: #e8664a;
  --accent-2: #2a9d8f;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(60, 40, 20, .06), 0 6px 20px rgba(60, 40, 20, .06);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1916;
    --surface: #26221e;
    --surface-2: #2f2a25;
    --ink: #f1ebe3;
    --ink-2: #b3a99d;
    --line: #3d3630;
    --accent: #f07d62;
    --accent-2: #43b8a9;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.8; font-size: 16px; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

/* ---- header / footer */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: .02em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand .b1 { fill: var(--accent); }
.brand .b2 { fill: var(--accent-2); }
.nav { display: flex; gap: 16px; font-size: 14px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

.site-footer { margin-top: 72px; border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--ink-2); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 10px; }
.site-footer a { color: var(--ink-2); }

/* ---- top */
.hero { padding: 52px 0 28px; }
.hero h1 { font-size: clamp(28px, 6vw, 42px); line-height: 1.3; margin: 0 0 14px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { color: var(--ink-2); margin: 0; max-width: 40em; }

.section { margin-top: 44px; }
.section > h2 { font-size: 21px; margin: 0 0 16px; }

.tools { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.tool {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; color: var(--ink); text-decoration: none;
  transition: transform .15s, border-color .15s;
}
.tool:hover { transform: translateY(-2px); border-color: var(--accent); }
.tool img { aspect-ratio: 1200 / 630; object-fit: cover; width: 100%; border-bottom: 1px solid var(--line); }
.tool-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.tool-body h3 { margin: 0; font-size: 18px; }
.tool-body p { margin: 0; color: var(--ink-2); font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tag { font-size: 12px; background: var(--surface-2); color: var(--ink-2); border-radius: 999px; padding: 2px 10px; }
.tool-soon { border-style: dashed; border-width: 2px; background: transparent; box-shadow: none; justify-content: center; align-items: center; text-align: center; padding: 28px 18px; color: var(--ink-2); min-height: 200px; }
.tool-soon:hover { transform: none; border-color: var(--line); }

.points { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.point { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.point h3 { margin: 0 0 6px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.point svg { width: 20px; height: 20px; color: var(--accent-2); flex: none; }
.point p { margin: 0; font-size: 14px; color: var(--ink-2); }

/* ---- prose pages */
.prose { padding-top: 36px; }
.prose h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.35; margin: 0 0 10px; }
.prose h2 { font-size: 20px; margin: 40px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface-2); white-space: nowrap; width: 9em; }
.note { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-size: 15px; }

.ad-slot { margin: 32px 0; }

@media (max-width: 560px) {
  .nav { gap: 12px; font-size: 13px; }
  .brand span { font-size: 15px; }
  .prose th { width: auto; white-space: normal; }
}
@media (max-width: 380px) {
  .brand span { display: none; }
}