:root {
  color-scheme: light;
  --ink: #213c34;
  --subtle: #495d54;
  --dark: #17493b;
  --paper: #f8f7f2;
  --line: #d8ded1;
  --white: #fffefa;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; line-height: 1.8; overflow-wrap: anywhere; }
a { color: var(--dark); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .14em; }
:focus-visible { outline: 3px solid #247e67; outline-offset: 4px; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; line-height: 1.45; }
h1 { font-size: clamp(1.85rem, 4.3vw, 3.15rem); letter-spacing: .02em; }
h2 { font-size: clamp(1.3rem, 2.8vw, 1.85rem); }
h3 { font-size: 1.02rem; }
p { margin: 0 0 1em; }
.wrap { width: min(100% - 72px, 1160px); margin-inline: auto; }
.skip { position: absolute; top: -100px; left: 16px; z-index: 5; background: var(--white); }
.skip:focus { top: 16px; }
.site-header { border-bottom: 1px solid var(--line); background: var(--white); position: relative; z-index: 2; }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 700; text-decoration: none; letter-spacing: .02em; }
.brand img { border-radius: 9px; }
.desktop-nav { display: flex; gap: clamp(16px, 2.6vw, 34px); }
.desktop-nav a, .mobile-nav a { text-decoration: none; font-size: .9rem; font-weight: 600; }
.desktop-nav a:hover, .mobile-nav a:hover { text-decoration: underline; }
.mobile-nav { display: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.16fr); gap: 0; margin-block: 50px 59px; border-radius: 18px; overflow: hidden; background: #e9eee4; }
.hero-copy { align-self: center; padding: clamp(24px, 3.8vw, 54px); }
.label { color: #3c6757; font-size: .85rem; font-weight: 700; letter-spacing: .03em; }
.hero-copy .label { margin-bottom: 14px; }
.intro { color: var(--subtle); font-size: clamp(1rem, 1.5vw, 1.12rem); }
.hero-copy .intro { margin-block: 20px 24px; }
.hero-image { width: 100%; height: 100%; min-height: 410px; object-fit: cover; }
.button { display: inline-flex; align-items: center; gap: 18px; padding: 12px 21px; border-radius: 6px; background: var(--dark); color: #fff; text-decoration: none; font-weight: 700; font-size: .93rem; }
.button:hover { background: #256550; }
.listing { margin-block: 42px 55px; }
.listing > h2, .section-head { margin-bottom: 19px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 13px; }
.section-head a { white-space: nowrap; font-size: .9rem; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 21px; margin: 0; padding: 0; list-style: none; }
.card { display: flex; flex-direction: column; height: 100%; text-decoration: none; overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 13px; transition: transform .23s ease, box-shadow .23s ease; }
.card:hover { transform: translateY(-3px); box-shadow: 0 11px 26px #1c3c2920; }
.card img { width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; }
.card-body { padding: 14px 16px 17px; }
.card .label { display: block; margin-bottom: 4px; }
.crumb { display: flex; flex-wrap: wrap; gap: 7px 11px; margin: 22px 0 29px; color: var(--subtle); font-size: .84rem; }
.reading { width: min(100%, 790px); margin-inline: auto; }
.article-header h1 { margin-block: 8px 14px; }
.article-header .intro { margin-bottom: 23px; }
.article-hero { width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; border-radius: 14px; margin-block: 23px 30px; }
.prose { width: min(100%, 690px); margin-inline: auto; line-height: 1.95; }
.prose h2 { margin: 35px 0 12px; padding: .15em 0 .15em .55em; border-left: 4px solid #819e83; }
.prose p { margin-bottom: 17px; }
.product-photo { width: fit-content; max-width: 100%; margin: 24px auto; }
.product-photo img { width: auto; max-height: 340px; border-radius: 8px; }
figcaption { color: var(--subtle); font-size: .85rem; text-align: center; margin-top: 7px; }
.sources { margin-top: 27px; }
.sources ul { padding-left: 1.4em; font-size: .9rem; }
.advertisement { width: 100%; max-width: 820px; margin: 25px auto; overflow: clip; }
.advertisement:has(ins[data-ad-status="unfilled"]) { display: none; }
.advertisement:has(ins[data-ad-status="filled"])::before { content: "広告"; display: block; color: var(--subtle); font-size: .75rem; }
.overview { display: grid; grid-template-columns: 1fr .7fr; gap: 24px; align-items: center; background: #e9eee4; padding: 28px; border-radius: 14px; }
.overview img { width: 100%; aspect-ratio: 3/2; object-fit: cover; border-radius: 8px; }
.overview .intro { margin: 11px 0 0; }
.site-footer { background: #e9eee4; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 24px; padding-block: 27px; }
.footer-inner > a:not(.brand) { font-size: .875rem; }
.appear { animation: appear .62s ease-out both; }
@keyframes appear { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .card:hover { transform: none; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 32px); }
  .header-inner { min-height: 61px; gap: 8px; }
  .brand { gap: 8px; font-size: .93rem; }
  .brand img { width: 31px; height: 31px; }
  .desktop-nav, .desktop-break { display: none; }
  .mobile-nav { display: block; }
  .mobile-nav summary { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav summary span { display: block; height: 2px; width: 20px; background: var(--dark); }
  .mobile-nav nav { position: absolute; inset: 100% 0 auto; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: 0 10px 20px #223b251a; padding: 8px 16px; }
  .mobile-nav nav a { display: block; padding: 11px 6px; }
  .mobile-nav nav a + a { border-top: 1px solid var(--line); }
  .hero { grid-template-columns: 1fr; margin-block: 20px 35px; }
  .hero-copy { padding: 23px 19px; }
  .hero-copy .intro { margin-block: 11px 17px; }
  .hero-image { min-height: auto; aspect-ratio: 3/2; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .card-body { padding: 9px 9px 12px; }
  .card .label { font-size: .73rem; }
  .card h3 { font-size: .91rem; }
  .listing { margin-block: 29px 37px; }
  .section-head { align-items: start; }
  .section-head a { font-size: .79rem; margin-top: .22em; }
  .crumb { margin-block: 15px 20px; }
  .article-hero { margin-block: 15px 22px; }
  .overview { grid-template-columns: 1fr; padding: 16px; }
}
