:root {
  --cream: #faf7f2;
  --cream-2: #f3ede0;
  --paper: #fbf8f0;
  --border: #e0d9c7;
  --border-soft: #ede4cf;
  --ink: #2b2418;
  --ink-soft: #4a3f2c;
  --ink-muted: #7a6e56;
  --forest: #2f5233;
  --forest-deep: #1a3322;
  --sage: #8ba57f;
  --sage-pale: #c9d9be;
  --tangerine: #e8894a;
  --butter: #f5d88a;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", system-ui, sans-serif; font-weight: 500; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--tangerine); outline-offset: 4px; border-radius: 8px; }
.site-header { width: min(1120px, calc(100% - 32px)); min-height: 72px; margin: 16px auto; padding: 10px 12px 10px 18px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: rgba(251,248,240,.9); border: 1px solid var(--border); border-radius: 999px; position: sticky; top: 12px; z-index: 10; backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 9px; color: var(--forest-deep); font-weight: 900; line-height: 1.05; }
.brand small { display: block; color: var(--sage); font-family: "Plus Jakarta Sans", sans-serif; font-size: 8px; letter-spacing: .2em; margin-bottom: 4px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; color: var(--butter); background: var(--forest); border-radius: 50%; }
.brand-mark svg { width: 25px; }
.site-header nav { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; }
.site-header nav a { min-height: 44px; padding: 10px 14px; display: inline-flex; align-items: center; border-radius: 999px; }
.header-cta { background: var(--forest); color: var(--butter); }
.index-main, main { min-height: 70vh; }
.index-hero { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 90px 0 96px; display: grid; grid-template-columns: 1fr 230px; gap: 72px; align-items: center; }
.section-label { margin: 0 0 17px; color: var(--tangerine); font-family: "Plus Jakarta Sans", sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .22em; }
.index-hero h1 { margin: 0 0 26px; font-size: clamp(38px, 6vw, 70px); line-height: 1.22; letter-spacing: -.04em; text-wrap: pretty; }
.index-hero h1 span { color: var(--forest); }
.index-hero > div > p:last-child { color: var(--ink-soft); font-size: 16px; line-height: 2; }
.seed-note { aspect-ratio: 4 / 5; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; background: var(--butter); color: var(--forest-deep); border: 1px solid #dfc06f; border-radius: 22px 22px 42px 22px; transform: rotate(2deg); box-shadow: 0 18px 38px rgba(43,36,24,.1); }
.seed-note svg { width: 110px; align-self: center; margin-top: 24px; }
.seed-note span { font-family: "Plus Jakarta Sans", sans-serif; font-size: 13px; font-weight: 800; letter-spacing: .18em; line-height: 1.4; }
.index-list { padding: 74px max(20px, calc((100% - 1080px) / 2)) 110px; background: var(--cream-2); border-top: 1px solid var(--border); }
.list-heading { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.list-heading > p:last-child { color: var(--ink-muted); font-family: "Plus Jakarta Sans", sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.article-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.article-card > a { min-height: 340px; height: 100%; padding: 27px; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--border); border-radius: 26px; transition: transform .22s ease, border-color .22s ease; }
.article-card > a:hover { transform: translateY(-4px); border-color: var(--sage); }
.card-field { height: 72px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: -8px -8px 22px; padding: 9px; background: var(--cream-2); border-radius: 17px; overflow: hidden; }
.card-field span { border-radius: 50% 50% 8px 8px; background: var(--sage-pale); position: relative; }
.card-field span::after { content: ""; position: absolute; left: 50%; bottom: -8px; width: 2px; height: 37px; background: var(--forest); transform: rotate(var(--lean, -8deg)); transform-origin: bottom; }
.card-field span:nth-child(2) { --lean: 4deg; background: var(--butter); }
.card-field span:nth-child(3) { --lean: 9deg; }
.card-meta { margin: 0 0 13px; display: flex; gap: 12px; color: var(--ink-muted); font-size: 11px; }
.card-meta time { font-family: "Plus Jakarta Sans", sans-serif; font-variant-numeric: tabular-nums; }
.article-card h2 { margin: 0 0 12px; font-size: clamp(20px, 2.4vw, 27px); line-height: 1.5; text-wrap: pretty; }
.article-card h2 + p { margin: 0 0 22px; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }
.read-link { margin-top: auto; color: var(--forest); font-weight: 700; font-size: 13px; }
.read-link b { color: var(--tangerine); margin-left: 5px; }
.empty-state { grid-column: 1 / -1; padding: 70px 30px; text-align: center; color: var(--ink-muted); background: var(--paper); border: 1px dashed var(--border); border-radius: 26px; }
.empty-state svg { width: 64px; color: var(--sage); }
.empty-state h2 { color: var(--ink); }
.breadcrumb { width: min(920px, calc(100% - 40px)); margin: 50px auto 18px; display: flex; gap: 10px; color: var(--ink-muted); font-size: 12px; }
.article-shell { width: min(920px, calc(100% - 40px)); margin: 0 auto 110px; }
.article-hero { padding: 55px 78px 62px; background: var(--paper); border: 1px solid var(--border); border-radius: 32px 32px 54px 32px; position: relative; overflow: hidden; }
.growth-line { width: 116px; height: 28px; display: flex; align-items: end; gap: 18px; margin-bottom: 28px; }
.growth-line span { width: 3px; height: 10px; background: var(--forest); border-radius: 99px; position: relative; }
.growth-line span:nth-child(2) { height: 17px; }
.growth-line span:nth-child(3) { height: 25px; }
.growth-line span::before { content: ""; position: absolute; width: 12px; height: 7px; top: -2px; left: 2px; background: var(--sage); border-radius: 100% 0 100% 0; transform: rotate(-18deg); }
.article-keyword { margin: 0 0 17px; color: var(--tangerine); font-size: 12px; font-weight: 700; }
.article-hero h1 { margin: 0; font-size: clamp(30px, 5vw, 49px); line-height: 1.42; letter-spacing: -.025em; text-wrap: pretty; }
.article-description { max-width: 680px; margin: 24px 0 20px; color: var(--ink-soft); font-size: 15px; line-height: 1.9; }
.article-date { display: flex; gap: 16px; color: var(--ink-muted); font-family: "Plus Jakarta Sans", sans-serif; font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; }
.article-body { width: min(720px, 100%); margin: 60px auto 0; font-size: 16px; line-height: 2; }
.article-body h2 { margin: 68px 0 22px; padding-top: 10px; color: var(--forest-deep); font-size: 27px; line-height: 1.55; text-wrap: pretty; }
.article-body h2::before { content: ""; display: block; width: 42px; height: 4px; margin-bottom: 15px; background: var(--tangerine); border-radius: 99px; }
.article-body h3 { margin: 42px 0 14px; font-size: 20px; line-height: 1.6; }
.article-body p { margin: 0 0 24px; }
.article-body ul, .article-body ol { margin: 22px 0 30px; padding: 22px 26px 22px 46px; background: var(--paper); border: 1px solid var(--border-soft); border-radius: 20px; }
.article-body li { margin: 7px 0; padding-left: 4px; }
.article-body li::marker { color: var(--tangerine); font-weight: 800; }
.article-body a { color: var(--forest); text-decoration: underline; text-decoration-color: var(--sage); text-underline-offset: 4px; }
.article-cta { width: min(780px, 100%); margin: 72px auto; padding: 30px 34px; display: grid; grid-template-columns: 80px 1fr; gap: 25px; background: var(--forest); color: var(--paper); border-radius: 28px; }
.cta-mark { width: 72px; height: 72px; display: grid; place-items: center; color: var(--forest); background: var(--butter); border-radius: 50%; }
.cta-mark svg { width: 48px; }
.article-cta h2 { margin: 0 0 10px; font-size: 23px; line-height: 1.55; }
.article-cta p:not(.section-label) { margin: 0 0 19px; color: var(--sage-pale); font-size: 14px; }
.article-cta a { min-height: 44px; padding: 10px 20px; display: inline-flex; align-items: center; background: var(--tangerine); color: var(--forest-deep); border-radius: 999px; font-size: 13px; font-weight: 900; }
.related { width: min(780px, 100%); margin: 70px auto 0; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.related-grid a { min-height: 130px; padding: 20px; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--border); border-radius: 20px; }
.related-grid span { color: var(--tangerine); font-size: 11px; }
.related-grid strong { margin-top: 9px; line-height: 1.65; }
.site-footer { min-height: 150px; padding: 35px max(24px, calc((100% - 1080px) / 2)); display: flex; justify-content: space-between; align-items: center; gap: 24px; background: var(--forest-deep); color: var(--sage-pale); font-size: 13px; }
.site-footer p { display: flex; align-items: center; gap: 12px; }
.footer-sprout { width: 38px; height: 38px; display: grid; place-items: center; background: var(--forest); border-radius: 50%; color: var(--butter); }
.footer-sprout svg { width: 26px; }
.site-footer div { display: flex; gap: 22px; }

@media (max-width: 720px) {
  .site-header { min-height: 64px; }
  .site-header nav > a:first-child { display: none; }
  .index-hero { padding: 62px 0 72px; grid-template-columns: 1fr; gap: 28px; }
  .seed-note { width: 150px; justify-self: end; }
  .article-grid { grid-template-columns: 1fr; }
  .article-hero { padding: 38px 26px 44px; border-radius: 26px 26px 42px 26px; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 23px; }
  .article-cta { grid-template-columns: 1fr; padding: 27px; }
  .related-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
