/* WHRP corporate site — B案 LAB WHITE / accent #2ECC71 */
:root{
  --ink:#121417; --ink-2:#3F4449; --muted:#5C6166;
  --line:#E3E5E2; --line-2:#D5D8D4; --bg:#FFFFFF; --bg-2:#F4F5F3; --bg-3:#F1F3F0;
  --accent:#2ECC71; --accent-ink:#0A7A50; --on-accent:#0B1F17;
  --gutter:clamp(16px,5vw,64px);
  --content:1200px;
  --pad:max(var(--gutter),calc((100% - var(--content)) / 2));
  --sans:"Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent-ink)}
a:focus-visible{outline:2px solid var(--accent-ink);outline-offset:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:10}

/* header */
.topbar{height:4px;background:var(--accent)}
.site-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:14px var(--pad);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:52px;width:auto}
.brand span{font-size:12px;color:var(--muted);border-left:1px solid var(--line-2);padding-left:10px}
.header-right{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px}
.gnav{display:flex;flex-wrap:wrap;gap:0 24px;font-size:14px;font-weight:500}
@media (max-width:560px){.header-right{width:100%;justify-content:space-between;gap:4px 12px}.gnav{flex-wrap:nowrap;overflow-x:auto;gap:0 16px;font-size:13px;max-width:100%}.gnav a{white-space:nowrap}}
.gnav a{display:inline-flex;align-items:center;min-height:44px}
.gnav a[aria-current="page"]{color:var(--accent-ink);box-shadow:inset 0 -2px 0 var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;font-weight:500;font-size:15px;border:1px solid var(--ink)}
.btn--accent{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:700}
.btn--accent:hover{color:var(--on-accent);filter:brightness(0.95)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{color:#fff;background:#2a2e33}
.btn--sm{min-height:44px;padding:0 20px;font-size:14px}

/* layout */
.wrap{padding-left:var(--pad);padding-right:var(--pad)}
.section{padding-top:clamp(56px,8vw,104px);padding-bottom:clamp(56px,8vw,104px)}
.section--gray{background:var(--bg-2)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--accent-ink)}
.sec-head{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;border-bottom:1px solid var(--line-2);padding-bottom:16px;margin-bottom:40px}
.sec-head .num{font-family:var(--mono);font-size:13px;color:var(--accent-ink)}
.sec-head h2{margin:0;font-size:28px;font-weight:700;line-height:1.4}
.sec-head .en{font-family:var(--mono);font-size:12px;color:var(--muted)}
.lead{color:var(--ink-2);line-height:2;max-width:640px;margin:0}

/* hero */
.hero{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.hero__text{flex:1 1 420px;min-width:0;display:flex;flex-direction:column;gap:28px}
.hero h1{margin:0;font-size:clamp(28px,4vw,54px);line-height:1.35;font-weight:700}
.hero h1 span{display:inline-block}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.hero__visual{flex:1 1 360px;min-width:0;aspect-ratio:4/3;background:var(--bg-3);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.hero__visual img{width:min(42%,240px)}
.hero__visual::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:6px;background:var(--accent)}

/* page title (lower pages) */
.page-title{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(32px,4vw,48px);border-bottom:1px solid var(--line)}
.page-title h1{margin:8px 0 0;font-size:clamp(28px,3.6vw,40px);line-height:1.4}
.crumbs{font-size:12px;color:var(--muted)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line-2)}
.crumbs a{color:var(--muted)}

/* brand cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:24px}
.card{background:#fff;padding:36px;display:flex;flex-direction:column;gap:14px;border:1px solid var(--line)}
.section--gray .card{border-color:transparent}
.card__label{font-family:var(--mono);font-size:12px;color:var(--muted)}
.card__title{font-size:32px;font-weight:700;letter-spacing:.02em;line-height:1.2}
.card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.9;flex-grow:1}
.more{font-weight:500;font-size:14px;color:var(--accent-ink)}

/* product list */
.plist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));padding:0 1px 1px 0}
.plist li{border:1px solid var(--line);margin:0 -1px -1px 0;background:#fff}
.plist a{background:#fff;padding:24px;display:flex;flex-direction:column;gap:6px;height:100%;min-height:120px}
.plist a:hover{background:#FAFBFA}
.plist .cat{font-family:var(--mono);font-size:11px;color:var(--muted)}
.plist .name{font-size:16px;font-weight:500;line-height:1.5}
.plist .go{margin-top:auto;font-size:13px;color:var(--accent-ink)}
.group-title{font-size:18px;margin:48px 0 16px}
.group-title:first-child{margin-top:0}

/* news */
.news{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news a{display:flex;flex-wrap:wrap;gap:4px 32px;padding:18px 0;border-bottom:1px solid var(--line)}
.news time{font-family:var(--mono);font-size:13px;color:var(--muted);min-width:100px}

/* definition grid (company) */
.dgrid{margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));padding:0 1px 1px 0}
.dgrid>div{background:#fff;padding:20px 24px;border:1px solid var(--line-2);margin:0 -1px -1px 0}
.dgrid dt{font-family:var(--mono);font-size:11px;color:var(--muted)}
.dgrid dd{margin:6px 0 0;font-size:15px}
.note{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.dtable{margin:0;display:grid;grid-template-columns:minmax(110px,200px) minmax(0,1fr);border-top:1px solid var(--line-2)}
.dtable dt,.dtable dd{margin:0;padding:18px 0;border-bottom:1px solid var(--line-2)}
.dtable dt{font-weight:500;color:var(--muted);padding-right:16px}
@media (max-width:560px){.dtable{grid-template-columns:1fr}.dtable dt{border-bottom:0;padding-bottom:0}.dtable dd{padding-top:4px}}

/* prose */
.prose{max-width:760px}
.prose h2{font-size:20px;margin:40px 0 12px;padding-top:16px;border-top:1px solid var(--line)}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--ink-2)}
.prose ul,.prose ol{padding-left:1.4em}
.prose a{color:var(--accent-ink);text-decoration:underline}
.spec{margin:24px 0;border-top:1px solid var(--line-2)}

/* footer */
.site-footer{background:var(--ink);color:#C9CDC8;padding:48px var(--pad);display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;font-size:13px}
.site-footer img{height:88px;width:auto}
.fcol{display:flex;flex-direction:column;gap:10px}
.fcol .h{font-family:var(--mono);color:#8E9398}
.site-footer a{color:#E6E8E5}
.site-footer a:hover{color:var(--accent)}
.copy{flex-basis:100%;color:#8E9398;margin:0}

/* hero with background video */
.hero-video{position:relative;min-height:clamp(520px,82vh,820px);display:flex;align-items:flex-end;overflow:hidden;background:#0E1311 url("/assets/hero-poster.jpg") center/cover no-repeat;color:#fff}
.hero-video__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-video__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,12,.25) 0%,rgba(10,14,12,.55) 55%,rgba(10,14,12,.8) 100%)}
.hero-video__inner{position:relative;padding-top:120px;padding-bottom:clamp(56px,8vw,96px);display:flex;flex-direction:column;gap:24px;width:100%}
.hero-video .lead{max-width:600px}
.hero-video .eyebrow{color:var(--accent)}
.hero-video h1{margin:0;font-size:clamp(25px,5vw,64px);line-height:1.3;font-weight:700}
.hero-video h1 span{display:inline-block}
.hero-video .lead{color:rgba(255,255,255,.88)}
.btn--ghost{border-color:#fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--ink)}
@media (prefers-reduced-motion:reduce){.hero-video__media{display:none}}

/* brand cards with square logo */
.card--brand{flex-direction:row;align-items:flex-start;gap:24px}
.brand-logo{width:112px;height:112px;flex-shrink:0;object-fit:contain;background:#000}
.card__body{display:flex;flex-direction:column;gap:12px;min-width:0;flex:1}
.card--brand .card__title{font-size:28px}
@media (max-width:560px){.card--brand{flex-direction:column}.brand-logo{width:88px;height:88px}}

/* category grid (top) */
.catgrid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:960px){.catgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.catgrid{gap:12px}}
.catgrid a{display:flex;flex-direction:column;gap:6px;height:100%}
.catgrid img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-3);margin-bottom:8px}
.catgrid a:hover img{filter:brightness(.95)}
.cat__en{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--accent-ink)}
.cat__ja{font-size:20px;font-weight:700;line-height:1.4}
.cat__items{font-size:13px;color:var(--muted);line-height:1.7}
.catgrid .go{margin-top:auto;padding-top:6px;font-size:13px;color:var(--accent-ink)}

/* category rows (products page) */
.catrow{display:flex;flex-wrap:wrap;gap:32px 48px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.catrow:first-of-type{border-top:0;padding-top:0}
.catrow>img{flex:1 1 320px;max-width:480px;width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-3)}
.catrow__body{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:12px}
.catrow h2{margin:0;font-size:26px}
.catrow__items{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.catrow__items a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-weight:500}
.catrow__items a span{color:var(--accent-ink)}
.catgrid img,.catrow>img{background:#fff;border:1px solid var(--line)}
.prose .btn{text-decoration:none;color:var(--ink)}
.prose .btn--dark{color:#fff}
.dtable--card{background:#fff;padding:8px 32px;border:1px solid var(--line)}
.dtable--card dt,.dtable--card dd{padding:16px 0}
.dtable--card dt:last-of-type,.dtable--card dd:last-of-type{border-bottom:0}
@media (max-width:560px){.dtable--card{padding:4px 20px}.dtable--card dt{padding-bottom:0}.dtable--card dd{padding-top:4px}}
@media (max-width:640px){
  .site-footer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px}
  .site-footer>a:first-child{grid-column:1/-1}
  .site-footer .copy{grid-column:1/-1}
}
@media (max-width:560px){
  .card--brand{display:grid;grid-template-columns:72px minmax(0,1fr);column-gap:16px;row-gap:14px;align-items:center;padding:24px}
  .card--brand .card__body{display:contents}
  .card--brand .brand-logo{width:72px;height:72px;grid-column:1;grid-row:1}
  .card--brand .card__title{grid-column:2;grid-row:1;font-size:24px}
  .card--brand p,.card--brand .more{grid-column:1/-1}
}