:root {
  --green: #159447;
  --green-dark: #087235;
  --green-soft: #edf8f1;
  --ink: #111714;
  --muted: #66706a;
  --line: #d5ded7;
  --paper: #ffffff;
  --off-white: #f5f7f5;
  --wrap: 1180px;
  --shadow: 0 16px 46px rgba(22, 53, 36, .10);
  --card-shadow: 0 4px 16px rgba(22, 53, 36, .06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.wrap { width: min(calc(100% - 40px), var(--wrap)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 8px 14px; color: #fff; background: #000; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid #f2b705; outline-offset: 3px; }
.notice { min-height: 34px; display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--green-dark); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.notice span { color: #8ee6aa; font-size: 8px; }

.site-header { position: sticky; z-index: 20; top: 0; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; line-height: 1.1; }
.brand-mark { width: 42px; aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; border-radius: 50%; background: #fff; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand strong { display: block; font-size: 20px; letter-spacing: .04em; }
.brand small { display: block; margin-top: 5px; color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .18em; }
.global-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
.global-nav a { position: relative; padding: 26px 0; }
.global-nav a::after { content: ""; position: absolute; right: 0; bottom: 18px; left: 0; height: 2px; background: var(--green); transform: scaleX(0); transition: transform .2s ease; }
.global-nav a:hover::after { transform: scaleX(1); }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); font-size: 11px; font-weight: 800; }
.menu-icon, .menu-icon::before, .menu-icon::after { width: 23px; height: 2px; display: block; background: currentColor; content: ""; transition: .2s; }
.menu-icon { position: relative; margin: 0 auto 7px; }
.menu-icon::before { position: absolute; top: -7px; }
.menu-icon::after { position: absolute; top: 7px; }

.hero { overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 85% 20%, #e7f7ed 0 8%, transparent 28%), linear-gradient(90deg, #fff 0 66%, #f3f7f5 66%); }
.hero-inner { min-height: 400px; display: grid; grid-template-columns: 1.04fr .96fr; align-items: stretch; }
.hero-copy { padding: 28px 50px 22px 0; align-self: center; }
.hero .eyebrow { margin-bottom: 8px; }
.eyebrow { margin: 0 0 14px; color: var(--green-dark); font-size: 12px; font-weight: 900; letter-spacing: .17em; line-height: 1.4; }
.hero h1 { margin: 0; font-size: clamp(40px, 4.2vw, 58px); line-height: 1.16; letter-spacing: -.05em; }
.hero h1 em { position: relative; color: var(--green); font-style: normal; }
.hero h1 em::after { content: ""; position: absolute; z-index: -1; right: 0; bottom: .05em; left: 0; height: .18em; background: #c9efd5; }
.hero-lead { max-width: 610px; margin: 12px 0 0; color: #445049; font-size: 15px; font-weight: 500; line-height: 1.75; }
.hero-actions { margin-top: 18px; display: flex; align-items: center; gap: 28px; }
.hero-actions .button { min-height: 46px; padding-block: 8px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 11px 25px; border: 2px solid transparent; font-weight: 800; line-height: 1.4; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 10px 24px rgba(21,148,71,.22); }
.button-primary:hover { background: var(--green-dark); }
.text-link { color: var(--green-dark); font-size: 14px; font-weight: 800; border-bottom: 1px solid currentColor; }
.text-link span, .read-link span, .button span { margin-left: 5px; }
.hero-points { margin: 16px 0 0; padding: 10px 0 0; border-top: 1px solid var(--line); display: flex; gap: 23px; list-style: none; color: var(--muted); font-size: 12px; font-weight: 700; }
.hero-points span { color: var(--green); }
.hero-visual { position: relative; min-width: 0; display: flex; align-items: flex-end; justify-content: center; background-image: linear-gradient(rgba(21,148,71,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(21,148,71,.08) 1px, transparent 1px); background-size: 44px 44px; }
.hero-visual::after { content: ""; position: absolute; width: 225px; height: 225px; bottom: 12px; border-radius: 50%; background: #d8f2e0; }
.hero-visual img { position: relative; z-index: 2; width: min(92%, 500px); max-height: 340px; object-fit: contain; object-position: center bottom; filter: drop-shadow(0 14px 20px rgba(0,0,0,.10)); }
.visual-label { position: absolute; z-index: 3; top: 28px; right: 8px; display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; transform: rotate(90deg) translateX(100%); transform-origin: right top; }
.visual-label strong { font-size: 24px; letter-spacing: .2em; }
.visual-label span { color: var(--green-dark); font-size: 9px; font-weight: 800; letter-spacing: .2em; }
.speech { position: absolute; z-index: 4; right: 5px; bottom: 25px; margin: 0; padding: 11px 15px; background: #fff; border-left: 4px solid var(--green); box-shadow: var(--shadow); font-size: 11px; font-weight: 700; line-height: 1.55; }

.section { padding-block: 76px; }
.section-heading { margin-bottom: 31px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.35; letter-spacing: -.03em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); font-size: 14px; }
.section-heading.compact { align-items: center; }
.section-tint { background: var(--off-white); border-block: 1px solid var(--line); }
.topic-grid { display: grid; grid-template-columns: repeat(5, 1fr); grid-auto-rows: 1fr; gap: 12px; }
.topic-card { min-height: 112px; padding: 17px 15px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 8px 12px; background: #fff; border: 1px solid var(--line); box-shadow: 0 2px 10px rgba(22,53,36,.04); transition: border .2s, transform .2s, box-shadow .2s, background .2s; }
.topic-card:hover, .topic-card:focus-visible { background: #f9fcfa; border-color: var(--green); transform: translateY(-3px); box-shadow: 0 12px 28px rgba(22,53,36,.09); }
.topic-icon { width: 40px; height: 40px; display: grid; place-items: center; color: var(--green-dark); background: var(--green-soft); }
.topic-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.topic-card strong, .topic-card small { display: block; }
.topic-card strong { margin-top: 2px; font-size: 15px; line-height: 1.4; }
.topic-card small { margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.topic-card b { grid-column: 2; justify-self: end; color: var(--green); }

.feature-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; }
.feature-main { background: #fff; border: 1px solid var(--line); box-shadow: var(--card-shadow); }
.image-link { display: block; overflow: hidden; background: #e9eeeb; }
.image-link img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s ease; }
.image-link:hover img { transform: scale(1.025); }
.feature-body { padding: 24px 25px 26px; }
.article-meta { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; font-weight: 700; line-height: 1.4; }
.article-meta span { color: var(--green-dark); }
.article-meta time::before { content: ""; width: 14px; height: 1px; display: inline-block; margin: 0 8px 3px 0; background: #aab4ae; }
.feature-main h3 { margin: 12px 0 10px; font-size: clamp(22px, 2.3vw, 31px); line-height: 1.5; letter-spacing: -.02em; }
.feature-main h3 a:hover, .side-card h3 a:hover, .article-card h3 a:hover { color: var(--green-dark); }
.feature-main p { margin: 0; color: var(--muted); font-size: 14px; }
.read-link { display: inline-block; margin-top: 15px; color: var(--green-dark); font-size: 13px; font-weight: 900; }
.feature-side { display: grid; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 18px; }
.side-card { height: 100%; display: grid; grid-template-columns: 42% 1fr; gap: 15px; align-items: center; padding-bottom: 18px; background: #fff; border-bottom: 1px solid var(--line); outline: 1px solid var(--line); box-shadow: var(--card-shadow); }
.side-card:last-child { border-bottom: 0; }
.side-card h3 { margin: 9px 0 0; font-size: 17px; line-height: 1.65; }

.recommend-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.recommend-card { position: relative; min-height: 174px; padding: 24px 24px 46px; border: 1px solid var(--line); background: #fff; box-shadow: var(--card-shadow); transition: .2s; }
.recommend-card:hover { color: #fff; background: var(--ink); border-color: var(--ink); transform: translateY(-3px); }
.recommend-label { display: block; margin-bottom: 22px; color: var(--green-dark); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.recommend-card:hover .recommend-label { color: #88e3a5; }
.recommend-card strong { font-size: 18px; line-height: 1.7; }
.recommend-arrow { position: absolute; right: 24px; bottom: 20px; color: var(--green); font-size: 22px; font-weight: 400; }

.manga { color: #fff; background: #435b50; }
.manga.section { padding-block: 74px; }
.manga-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 82px; align-items: center; }
.manga-copy .eyebrow { color: #8ee6aa; }
.manga-kicker { margin: 0 0 5px; color: #d9e2dd; font-size: 13px; font-weight: 700; }
.manga h2 { margin: 0 0 18px; font-size: clamp(38px, 5vw, 64px); line-height: 1.2; letter-spacing: -.04em; }
.manga-copy > p:last-of-type { color: #e4ebe7; }
.button-light { margin-top: 20px; color: var(--ink); background: #fff; }
.button-light:hover { color: #fff; background: var(--green); }
.manga-latest { min-width: 0; background: #fff; box-shadow: 24px 24px 0 #30433a; }
.manga-image { position: relative; display: block; border: 1px solid #cad5cf; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.manga-image:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15, 35, 26, .18); }
.manga-image:focus-visible { outline: 3px solid #f2b705; outline-offset: 4px; }
.manga-image img { width: 100%; aspect-ratio: auto; object-fit: contain; }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 20px; }
.article-card { min-width: 0; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); box-shadow: var(--card-shadow); }
.article-card .image-link { flex: 0 0 auto; }
.article-card .article-meta { margin: 14px 15px 0; }
.article-card h3 { flex: 1; margin: 7px 0 0; padding: 0 15px 18px; font-size: 16px; line-height: 1.65; }
.button-outline { width: 100%; color: var(--green-dark); border-color: var(--green); }
.mobile-only { display: none; }

.about-strip { padding: 60px 0; background: var(--green-soft); border-top: 1px solid #d9ebdf; }
.about-inner { display: grid; grid-template-columns: 200px 1fr; gap: 50px; align-items: center; max-width: 900px; }
.about-inner img { width: 190px; aspect-ratio: 1; object-fit: cover; border-radius: 50%; background: #fff; }
.about-inner h2 { margin: 0; font-size: 30px; }
.about-inner p:not(.eyebrow) { margin: 12px 0 0; color: #405047; }
.about-links { margin-top: 18px; display: flex; gap: 26px; }
.about-links a { color: var(--green-dark); font-size: 13px; font-weight: 900; border-bottom: 1px solid currentColor; }

.site-footer { padding-top: 64px; color: #d5dcd8; background: #0c120f; }
.footer-inner { display: flex; justify-content: space-between; gap: 50px; padding-bottom: 50px; }
.footer-brand { color: #fff; }
.footer-brand small, .footer-inner p { color: #8f9a94; }
.footer-inner p { margin: 18px 0 0; font-size: 12px; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(130px, 1fr)); gap: 13px 38px; font-size: 13px; }
.footer-nav a:hover { color: #8ee6aa; }
.footer-bottom { min-height: 66px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #2a332e; color: #7c8881; font-size: 11px; }

@media (max-width: 940px) {
  .global-nav { gap: 18px; }
  .hero-inner { grid-template-columns: 1fr 42%; }
  .hero-copy { padding-right: 30px; }
  .speech { display: none; }
  .topic-grid { grid-template-columns: repeat(3, 1fr); }
  .topic-wide { grid-column: span 2; }
  .feature-layout { grid-template-columns: 1fr; }
  .feature-side { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
  .side-card { grid-template-columns: 1fr; }
  .manga-inner { gap: 45px; }
}

@media (max-width: 720px) {
  .wrap { width: min(calc(100% - 32px), var(--wrap)); }
  .notice { min-height: 30px; font-size: 10px; }
  .header-inner { min-height: 65px; }
  .brand-mark { width: 36px; font-size: 20px; }
  .brand strong { font-size: 17px; }
  .brand small { font-size: 7px; }
  .menu-button { display: block; }
  .menu-button[aria-expanded="true"] .menu-icon { background: transparent; }
  .menu-button[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .global-nav { position: absolute; top: 65px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 18px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px rgba(0,0,0,.06); }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .global-nav a::after { display: none; }
  .hero { background: #fff; }
  .hero-inner { width: 100%; grid-template-columns: 1fr; }
  .hero-copy { width: min(calc(100% - 32px), var(--wrap)); margin-inline: auto; padding: 32px 0 24px; }
  .hero h1 { font-size: clamp(36px, 10.5vw, 46px); line-height: 1.14; }
  .hero-lead { margin-top: 14px; font-size: 14px; line-height: 1.75; }
  .hero-actions { margin-top: 20px; align-items: center; flex-direction: row; gap: 10px; }
  .hero-actions .button { min-height: 46px; gap: 10px; padding: 8px 12px; font-size: 13px; }
  .hero-actions .text-link { align-self: center; font-size: 12px; }
  .hero-points { margin-top: 22px; padding-top: 15px; gap: 10px; justify-content: space-between; font-size: 10px; }
  .hero-visual { min-height: 230px; background-color: #f3f7f5; }
  .hero-visual::after { width: 180px; height: 180px; bottom: 10px; }
  .hero-visual img { width: min(92%, 350px); max-height: 220px; }
  .visual-label { display: none; }
  .section { padding-block: 48px; }
  .section-heading { margin-bottom: 23px; align-items: start; flex-direction: column; gap: 8px; }
  .section-heading h2 { font-size: 28px; }
  .section-heading > p { font-size: 13px; }
  .desktop-only { display: none; }
  .mobile-only { display: flex; margin-top: 28px; }
  .topic-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .topic-card, .topic-wide { min-height: 96px; grid-column: auto; padding: 12px 11px; }
  .topic-wide { grid-column: span 2; }
  .topic-icon { width: 36px; height: 36px; }
  .topic-icon svg { width: 19px; height: 19px; }
  .topic-card strong { font-size: 13px; }
  .feature-layout { gap: 23px; }
  .feature-body { padding: 19px 17px 21px; }
  .feature-main h3 { font-size: 21px; }
  .feature-main p { font-size: 13px; }
  .feature-side { grid-template-columns: 1fr; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .side-card { grid-template-columns: 38% 1fr; gap: 12px; padding-bottom: 15px; }
  .side-card h3 { font-size: 14px; line-height: 1.55; }
  .side-card .article-meta time { display: none; }
  .recommend-list { grid-template-columns: 1fr; }
  .recommend-card { min-height: 128px; padding: 19px 18px 39px; }
  .recommend-label { margin-bottom: 13px; }
  .manga.section { padding-block: 46px; }
  .manga-inner { grid-template-columns: 1fr; gap: 29px; }
  .manga h2 { font-size: 46px; }
  .manga-latest { box-shadow: 12px 12px 0 #30433a; }
  .article-grid { grid-template-columns: 1fr 1fr; gap: 18px 10px; }
  .article-card h3 { font-size: 14px; line-height: 1.55; }
  .article-card .article-meta { display: block; margin: 11px 11px 0; }
  .article-card h3 { padding: 0 11px 13px; }
  .article-card .article-meta time { display: block; margin-top: 5px; }
  .article-card .article-meta time::before { display: none; }
  .about-strip { padding: 52px 0; }
  .about-inner { grid-template-columns: 110px 1fr; gap: 22px; align-items: start; }
  .about-inner img { width: 110px; }
  .about-inner h2 { font-size: 24px; }
  .about-inner p:not(.eyebrow) { grid-column: 1 / -1; }
  .about-links { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-inner { flex-direction: column; }
  .footer-nav { grid-template-columns: 1fr; }
}

@media (max-width: 340px) {
  .article-grid { grid-template-columns: 1fr; }
  .side-card { grid-template-columns: 1fr; }
  .side-card .article-meta time { display: inline; }
  .about-inner { grid-template-columns: 90px 1fr; }
  .about-inner img { width: 90px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
