/* family-bousai.com — 実用資料寄り */
:root {
  --ink: #222;
  --muted: #666;
  --line: #ccc;
  --bg: #fafafa;
  --panel: #fff;
  --accent: #b45309;
  --link: #1d4ed8;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  background: var(--bg);
}

a {
  color: var(--link);
}

a:hover {
  color: var(--accent);
}

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  padding: 1rem 0 0.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand {
  display: block;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero {
  padding: 1.25rem 0 0.25rem;
}

.hero h1 {
  font-size: 1.35rem;
  line-height: 1.45;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.lead {
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.meta-table {
  width: 100%;
  margin: 1rem 0 0;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

.meta-table th,
.meta-table td {
  border: 1px solid var(--line);
  padding: 0.4rem 0.6rem;
  text-align: left;
}

.meta-table th {
  width: 28%;
  background: #f3f3f3;
  font-weight: 600;
}

main {
  padding-bottom: 2.5rem;
}

section {
  margin-top: 1.75rem;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

h3 {
  font-size: 0.95rem;
  margin: 0.85rem 0 0.35rem;
  font-weight: 700;
}

.calc-box,
.tips,
.fit,
.faq details {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
}

.calc-num {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.note {
  color: var(--muted);
  font-size: 0.85rem;
}

.tips ul,
.fit ul {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

.tips li,
.fit li {
  margin-bottom: 0.25rem;
}

.products {
  display: grid;
  gap: 0.75rem;
}

.product {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0.75rem;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.75rem;
}

.product img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  background: #f5f5f5;
  border: 1px solid var(--line);
}

.product-name {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.product-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0 0 0.4rem;
}

.price {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: #f3f3f3;
  color: var(--ink) !important;
  text-decoration: none !important;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}

.btn:hover {
  background: #e8e8e8;
}

.related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
}

.related-list li {
  border-bottom: 1px solid var(--line);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  display: block;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
  color: inherit;
  font-size: 0.9rem;
}

.related-list a:hover {
  background: #f5f5f5;
}

.pr-mark {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 0.35rem;
}

.faq details {
  margin-bottom: 0.5rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.faq p {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  background: var(--panel);
}

.home-hero {
  padding: 1.5rem 0 0.5rem;
}

.home-hero h1 {
  font-size: 1.45rem;
  margin: 0 0 0.5rem;
}

.cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
  font-size: 0.88rem;
}

.cat-nav a {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
}

.home-section {
  margin-top: 1.5rem;
}

.home-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--line);
}

.home-list li {
  border-bottom: 1px solid var(--line);
}

.home-list li:last-child {
  border-bottom: none;
}

.home-list a {
  display: block;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
  color: inherit;
  font-size: 0.9rem;
}

.home-list a:hover {
  background: #f5f5f5;
}

.home-list .sub {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.1rem;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.home-section {
  scroll-margin-top: 0.75rem;
}

@media (max-width: 640px) {
  .product {
    grid-template-columns: 72px 1fr;
  }
  .product img {
    width: 72px;
    height: 72px;
  }
}