/* Shimizu Shoji Co., Ltd. Corporate Site (static) */
:root{
  --bg:#050913;
  --panel:#07101f;
  --text:#eef5ff;
  --muted:#a7b4cc;
  --line:rgba(172,196,255,.18);
  --accent:#2f7dff;
  --accent2:#5fa4ff;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius:18px;
  --max: 1120px;
  --gutter: clamp(16px, 3vw, 28px);
  --h1: clamp(30px, 4vw, 54px);
  --h2: clamp(22px, 2.8vw, 32px);
  --h3: 18px;
  --p: 16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(47,125,255,.22), transparent 55%),
    radial-gradient(900px 600px at 20% 0%, rgba(95,164,255,.16), transparent 50%),
    linear-gradient(180deg, #07080a 0%, var(--bg) 35%, #07080a 100%);
  color: var(--text);
  line-height:1.7;
  letter-spacing: .02em;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration: underline; }
img{ max-width:100%; height:auto; display:block; }

.container{
  width: min(var(--max), calc(100% - var(--gutter)*2));
  margin-inline:auto;
}

.skip{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left: var(--gutter); top: var(--gutter);
  width:auto; height:auto; padding:10px 12px;
  background: var(--panel); border:1px solid var(--line);
  border-radius: 10px;
  z-index: 9999;
}

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,13,16,.55);
  border-bottom: 1px solid var(--line);
}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  white-space:nowrap;
}
.brand__name{
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.brand__sub{
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .08em;
}

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 10px;
  border:1px solid transparent;
  color: rgba(238,242,247,.92);
  font-size: 14px;
}
.nav a[aria-current="page"]{
  border-color: rgba(95,164,255,.45);
  background: rgba(95,164,255,.12);
}
.nav a:hover{
  text-decoration:none;
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
}
.nav__cta{
  border-color: rgba(95,164,255,.85) !important;
  background: linear-gradient(180deg, rgba(95,164,255,.35), rgba(95,164,255,.16)) !important;
}

/* Hero */
.hero{
  position:relative;
  padding: clamp(26px, 4vw, 44px) 0 26px;
}
.hero__card{
  position:relative;
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  background: #0a0c10;
}
.hero__media{
  position:absolute;
  inset:0;
  background:
    linear-gradient(110deg, rgba(6,12,25,.86) 0%, rgba(6,12,25,.48) 52%, rgba(6,12,25,.92) 100%),
    radial-gradient(900px 500px at 70% 35%, rgba(47,125,255,.52), transparent 55%),
    url("../assets/hero-hq.png");
  background-size: cover;
  background-position: center;
  filter: saturate(1.02) contrast(1.06);
  transform: scale(1.02);
}
.hero__media::after{
  content:"";
  position:absolute;
  inset:-40px -60px -40px auto;
  width: min(52%, 560px);
  background: linear-gradient(165deg, rgba(35,102,214,.95), rgba(95,164,255,.75));
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  mix-blend-mode: multiply;
  opacity:.82;
}
.hero__body{
  position:relative;
  padding: clamp(22px, 4vw, 44px);
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 18px;
  min-height: clamp(320px, 48vw, 460px);
}
.hero__kicker{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(238,242,247,.75);
}
.hero__title{
  font-size: var(--h1);
  line-height: 1.07;
  margin: 10px 0 14px;
  letter-spacing: .04em;
}
.hero__title strong{ color: var(--accent2); font-weight: 900; }
.hero__lead{
  margin:0;
  color: rgba(238,242,247,.88);
  max-width: 52ch;
  font-size: 16px;
}
.hero__meta{
  align-self:end;
  justify-self:end;
  width: min(360px, 100%);
  background: rgba(16,20,26,.72);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 14px 14px 12px;
}
.hero__meta h3{
  margin:0 0 10px;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(238,242,247,.86);
}
.hero__meta ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.hero__meta li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size: 13px;
  color: rgba(238,242,247,.82);
}
.badge{
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border:1px solid rgba(95,164,255,.55);
  background: rgba(95,164,255,.10);
  color: rgba(229,239,255,.96);
}

/* Breadcrumb */
.crumbs{
  margin-top: 14px;
  color: rgba(183,192,204,.9);
  font-size: 13px;
}
.crumbs a{ color: rgba(238,242,247,.9); }
.crumbs span{ opacity:.9; }

/* Sections */
main{ padding: 18px 0 40px; }
.section{
  padding: 22px 0;
}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin: 0 0 14px;
}
.section__title{
  margin:0;
  font-size: var(--h2);
  letter-spacing: .04em;
}
.section__desc{
  margin:0;
  color: var(--muted);
  font-size: 14px;
  max-width: 70ch;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.card{
  background: rgba(16,20,26,.68);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.card--soft{
  background: rgba(16,20,26,.45);
}
.card h3{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: .04em;
}
.card p{
  margin:0;
  color: rgba(238,242,247,.86);
  font-size: var(--p);
}
.list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(238,242,247,.86);
}
.list li{ margin: 6px 0; }
.note{
  margin-top: 10px;
  color: rgba(183,192,204,.95);
  font-size: 13px;
}

.btns{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 11px 14px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: rgba(238,242,247,.92);
  font-weight: 700;
  letter-spacing:.04em;
  font-size: 14px;
}
.btn:hover{ text-decoration:none; background: rgba(255,255,255,.09); }
.btn--primary{
  border-color: rgba(95,164,255,.85);
  background: linear-gradient(180deg, rgba(95,164,255,.42), rgba(95,164,255,.16));
}
.btn--primary:hover{ background: linear-gradient(180deg, rgba(95,164,255,.55), rgba(95,164,255,.2)); }
.btn--ghost{
  border-color: rgba(255,255,255,.16);
  background: transparent;
}

.kpi{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 14px;
}
.kpi__item{
  border:1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 12px 12px 10px;
  background: rgba(255,255,255,.04);
}
.kpi__label{
  color: rgba(183,192,204,.92);
  font-size: 12px;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-family: var(--mono);
}
.kpi__value{
  margin-top: 6px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .03em;
}

/* Timeline */
.timeline{
  margin: 10px 0 0;
  padding:0;
  list-style:none;
  border-left: 1px solid rgba(255,255,255,.16);
}
.timeline li{
  position:relative;
  padding: 12px 0 12px 16px;
  color: rgba(238,242,247,.88);
}
.timeline li::before{
  content:"";
  position:absolute;
  left:-6px;
  top: 18px;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(95,164,255,.24);
}
.timeline time{
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(183,192,204,.92);
  display:inline-block;
  margin-right: 10px;
}

/* Table-ish list */
.spec{
  margin: 10px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.spec li{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.spec b{
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(238,242,247,.92);
}
.spec span{
  color: rgba(238,242,247,.86);
  font-size: 14px;
}

/* Footer */
.site-footer{
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.15);
}
.site-footer__grid{
  display:grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 18px;
  align-items:start;
}
.fineprint{
  margin: 6px 0 0;
  color: rgba(183,192,204,.92);
  font-size: 13px;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.footer-links a{
  color: rgba(238,242,247,.88);
  border:1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 13px;
  background: rgba(255,255,255,.04);
}
.footer-links a:hover{ text-decoration:none; background: rgba(255,255,255,.07); }

/* Forms */
form{
  display:grid;
  gap: 12px;
}
label{
  font-size: 13px;
  color: rgba(183,192,204,.92);
}
input, textarea, select{
  width:100%;
  padding: 11px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(7,8,10,.55);
  color: rgba(238,242,247,.92);
  outline: none;
}
textarea{ min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus{
  border-color: rgba(95,164,255,.75);
  box-shadow: 0 0 0 4px rgba(95,164,255,.28);
}
.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.helper{
  font-size: 13px;
  color: rgba(183,192,204,.92);
  margin: -4px 0 0;
}
.alert{
  border: 1px solid rgba(196,69,69,.60);
  background: rgba(196,69,69,.14);
  border-radius: 14px;
  padding: 12px;
  color: rgba(255,235,232,.96);
}

/* Layout helpers */
.span-12{ grid-column: span 12; }
.span-8{ grid-column: span 8; }
.span-7{ grid-column: span 7; }
.span-6{ grid-column: span 6; }
.span-5{ grid-column: span 5; }
.span-4{ grid-column: span 4; }
.span-3{ grid-column: span 3; }

@media (max-width: 920px){
  .hero__body{ grid-template-columns: 1fr; }
  .hero__meta{ justify-self:start; }
  .site-footer__grid{ grid-template-columns: 1fr; }
  .footer-links{ justify-content:flex-start; }
  .spec li{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .nav{ gap: 6px; }
  .nav a{ padding: 7px 9px; font-size: 13px; }
  .form-row{ grid-template-columns: 1fr; }
  .kpi{ grid-template-columns: 1fr; }
}