/* ==========================================================================
   株式会社WELACE コーポレートサイト / style.css
   ========================================================================== */

:root {
  --color-navy: #12161f;
  --color-navy-soft: #1b212e;
  --color-navy-2: #232b3a;
  --color-orange: #ed8733;
  --color-orange-light: #f5a860;
  --color-orange-dark: #d9701d;
  --color-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f6f3;
  --color-bg-soft-2: #f1eee8;
  --color-text: #22262f;
  --color-text-soft: #5b6270;
  --color-border: #e6e3dc;

  --font-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --max-width: 1160px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 45px -25px rgba(18, 22, 31, 0.35);
  --shadow-card: 0 12px 30px -18px rgba(18, 22, 31, 0.25);
  --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}
.section--soft { background: var(--color-bg-soft); }
.section--navy { background: var(--color-navy); color: rgba(255,255,255,0.92); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-orange-dark);
  text-transform: uppercase;
}
.section--navy .eyebrow { color: var(--color-orange-light); }
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin: 0 0 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

h2.section-title {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 14px;
  line-height: 1.5;
}
.section-lead {
  margin-top: 18px;
  color: var(--color-text-soft);
  font-size: 15.5px;
}
.section--navy .section-lead { color: rgba(255,255,255,0.72); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.04em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
  color: var(--color-white);
  box-shadow: 0 14px 30px -12px rgba(237, 135, 51, 0.65);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(237, 135, 51, 0.75); }
.btn-outline {
  background: transparent;
  border-color: rgba(34, 38, 47, 0.25);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-orange); color: var(--color-orange-dark); }
.section--navy .btn-outline,
.hero .btn-outline,
.page-hero .btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.section--navy .btn-outline:hover,
.hero .btn-outline:hover,
.page-hero .btn-outline:hover {
  border-color: var(--color-orange-light);
  color: var(--color-orange-light);
  background: rgba(255,255,255,0.06);
}
.btn-arrow { transition: transform var(--transition); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(34,38,47,0.06);
  transition: background var(--transition);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 34px; width: auto; }
.brand span {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--color-navy);
}

.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-desktop a {
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text-soft);
  border-radius: 999px;
  transition: color var(--transition), background var(--transition);
}
.nav-desktop a:hover { color: var(--color-navy); background: rgba(237,135,51,0.08); }
.nav-desktop a.is-active { color: var(--color-navy); background: rgba(237,135,51,0.12); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 11px 24px; font-size: 13.5px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: none;
  background: var(--color-navy);
  border-radius: 10px;
  position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: #fff;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle::before { top: 14px; }
.nav-toggle span { top: 20px; }
.nav-toggle::after { top: 26px; }
.nav-toggle.is-open::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open::after { transform: translateY(-6px) rotate(-45deg); }
.nav-toggle.is-open span { opacity: 0; }

.nav-mobile {
  position: fixed;
  top: 76px; left: 0; right: 0; bottom: 0;
  background: var(--color-navy);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 90;
  padding: 30px 24px;
  overflow-y: auto;
}
.nav-mobile.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-mobile a {
  display: block;
  padding: 18px 4px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.nav-mobile a.is-active { color: var(--color-orange-light); }
.nav-mobile .btn { margin-top: 28px; width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 170px 0 110px;
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-2) 55%, #2c3446 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  right: -160px; top: -220px;
  background: radial-gradient(circle, rgba(237,135,51,0.35), transparent 65%);
  filter: blur(10px);
}
.hero::after {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  left: -140px; bottom: -180px;
  background: radial-gradient(circle, rgba(237,135,51,0.18), transparent 70%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 760px; }
.hero-mark { height: 46px; width: auto; margin-bottom: 28px; opacity: 0.95; }
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--color-orange-light), var(--color-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 24px;
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  max-width: 560px;
}
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-tags { margin-top: 56px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags span {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  color: rgba(255,255,255,0.85);
}

/* ---------- 制作実績リンク ---------- */
.work-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 13px 22px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-navy);
  background: var(--color-bg-soft-2);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}
.work-link:hover {
  border-color: var(--color-orange);
  color: var(--color-orange-dark);
  background: rgba(237,135,51,0.1);
  transform: translateY(-2px);
}
.work-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.work-link .work-link-sub {
  font-weight: 500;
  color: var(--color-text-soft);
}

/* page header (non-TOP pages) */
.page-hero {
  position: relative;
  padding: 168px 0 84px;
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-2) 60%, #2c3446 100%);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  right: -160px; top: -220px;
  background: radial-gradient(circle, rgba(237,135,51,0.32), transparent 65%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .eyebrow { color: var(--color-orange-light); }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; margin-top: 14px; line-height: 1.5; }
.page-hero p { margin-top: 18px; color: rgba(255,255,255,0.75); max-width: 600px; font-size: 15.5px; }
.breadcrumb { margin-top: 26px; font-size: 12.5px; color: rgba(255,255,255,0.55); display: flex; gap: 6px; }
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: var(--color-orange-light); }

/* ---------- Cards / Grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 40px -20px rgba(18,22,31,0.28); }

.icon-tile {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
  color: #fff;
  margin-bottom: 24px;
  flex-shrink: 0;
}
.icon-tile svg { width: 26px; height: 26px; }

.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--color-text-soft); font-size: 14.5px; }

.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.tag-row span {
  font-size: 12px; font-weight: 700;
  padding: 6px 12px;
  background: var(--color-bg-soft-2);
  border-radius: 999px;
  color: var(--color-text-soft);
}

/* ---------- Business (service) blocks ---------- */
.biz-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}
.biz-block:last-child { border-bottom: none; }
.biz-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.biz-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.16), transparent 55%);
}
.biz-visual img { width: 46%; opacity: 0.92; position: relative; z-index: 1; filter: drop-shadow(0 20px 30px rgba(0,0,0,0.25)); }
.biz-visual.v1 { background: linear-gradient(150deg, var(--color-navy), #33405a); }
.biz-visual.v2 { background: linear-gradient(150deg, #1c2333, var(--color-orange-dark) 140%); }
.biz-visual.v3 { background: linear-gradient(150deg, var(--color-orange), #c9531f); }

.biz-num { font-size: 13px; font-weight: 700; color: var(--color-orange-dark); letter-spacing: 0.1em; }
.biz-copy h3 { font-size: clamp(21px, 2.6vw, 27px); font-weight: 700; margin: 10px 0 20px; }
.biz-copy p { color: var(--color-text-soft); font-size: 15px; }
.biz-copy ul { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.biz-copy li { display: flex; gap: 10px; font-size: 14.5px; color: var(--color-text); }
.biz-copy li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-orange);
  margin-top: 9px; flex-shrink: 0;
}

/* ---------- Value / Philosophy ---------- */
.philosophy-quote {
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.7;
  max-width: 820px;
}
.philosophy-quote .accent { color: var(--color-orange); }

.value-list { margin-top: 20px; display: flex; flex-direction: column; }
.value-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 36px 0;
  border-top: 1px solid var(--color-border);
}
.value-item:last-child { border-bottom: 1px solid var(--color-border); }
.value-item .num { font-size: 32px; font-weight: 700; color: var(--color-orange); font-family: var(--font-base); }
.value-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.value-item p { color: var(--color-text-soft); font-size: 14.5px; }

/* ---------- Table (company info) ---------- */
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-top: 1px solid var(--color-border); }
.info-table tr:last-child { border-bottom: 1px solid var(--color-border); }
.info-table th, .info-table td {
  text-align: left;
  padding: 24px 20px;
  font-size: 14.5px;
  vertical-align: top;
}
.info-table th {
  width: 220px;
  color: var(--color-text-soft);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.info-table td { color: var(--color-text); line-height: 1.9; }

.map-frame {
  margin-top: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16/7;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-navy), #2c3446);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; width: 360px; height: 360px;
  right: -120px; top: -140px;
  background: radial-gradient(circle, rgba(237,135,51,0.4), transparent 65%);
}
.cta-band h3 { font-size: clamp(20px, 2.6vw, 28px); font-weight: 700; position: relative; z-index: 1; }
.cta-band p { margin-top: 10px; color: rgba(255,255,255,0.72); font-size: 14.5px; position: relative; z-index: 1; }
.cta-band .btn { position: relative; z-index: 1; }

/* ---------- Contact ---------- */
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px;
  box-shadow: var(--shadow-soft);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.contact-card .icon-tile { margin: 0 auto 24px; }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding: 18px 30px;
  border-radius: 999px;
  background: var(--color-bg-soft-2);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition);
}
.contact-email:hover { background: var(--color-orange); color: #fff; }
.contact-note { margin-top: 22px; font-size: 13.5px; color: var(--color-text-soft); }

.contact-topics { margin-top: 48px; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.contact-topics .card { padding: 28px 24px; text-align: left; }
.contact-topics .icon-tile { width: 44px; height: 44px; margin-bottom: 16px; }
.contact-topics .icon-tile svg { width: 20px; height: 20px; }
.contact-topics h3 { font-size: 15.5px; }
.contact-topics p { font-size: 13.5px; }

/* ---------- Recruit ---------- */
.recruit-status {
  border: 1px dashed rgba(237,135,51,0.5);
  background: rgba(237,135,51,0.06);
  border-radius: var(--radius-md);
  padding: 26px 30px;
  font-size: 14.5px;
  color: var(--color-text);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.recruit-status svg { flex-shrink: 0; margin-top: 2px; width: 20px; height: 20px; color: var(--color-orange-dark); }

.step-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step-item { position: relative; padding: 32px 26px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.step-item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-orange);
  letter-spacing: 0.08em;
}
.step-item h3 { margin-top: 12px; font-size: 16px; font-weight: 700; }
.step-item p { margin-top: 8px; font-size: 13.5px; color: var(--color-text-soft); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy); color: rgba(255,255,255,0.7); padding: 76px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand img { height: 30px; margin-bottom: 18px; }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,0.55); max-width: 280px; }
.footer-col h4 { font-size: 13px; letter-spacing: 0.08em; color: rgba(255,255,255,0.9); margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 13.5px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-orange-light); }
.footer-bottom { padding-top: 26px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: rgba(255,255,255,0.45); }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1020px) {
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .biz-block { grid-template-columns: 1fr; }
  .biz-visual { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-topics { grid-template-columns: 1fr; }
  .step-row { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-desktop, .nav-cta .btn.btn-outline { display: none; }
  .nav-toggle { display: block; }
  .section { padding: 72px 0; }
  .hero { padding: 140px 0 80px; }
  .page-hero { padding: 130px 0 64px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 44px 32px; }
}

@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .info-table th { width: 130px; padding: 18px 12px; font-size: 13px; }
  .info-table td { padding: 18px 12px; font-size: 13.5px; }
  .value-item { grid-template-columns: 50px 1fr; gap: 18px; }
  .contact-card { padding: 36px 24px; }
  .contact-email { font-size: 14.5px; padding: 14px 20px; flex-wrap: wrap; justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}