/* ================================================================
   SOLARIS PULSE FIELD Co., Ltd. — Shared Stylesheet
   © 2026 Solaris Pulse Field Co., Ltd.
================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Jost:wght@200;300;400;500;600&display=swap');

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  --bg:          #07070F;
  --bg-alt:      #0C0C1C;
  --surface:     #111122;
  --surface-2:   #181830;
  --surface-3:   #1E1E3A;

  --border:       rgba(245, 137, 42, 0.10);
  --border-hover: rgba(245, 137, 42, 0.32);
  --border-soft:  rgba(245, 137, 42, 0.06);

  --primary:       #F5892A;
  --primary-light: #FFB347;
  --primary-dark:  #C96A12;
  --gold:          #D4A843;
  --gold-light:    #F0C96A;
  --amber:         #FF9E2C;

  --text:        #F2E8D8;
  --text-muted:  #A09080;
  --text-subtle: #5A4E40;
  --text-hint:   #3A3028;

  --grad:       linear-gradient(135deg, #F5892A 0%, #FFD166 50%, #FFB347 100%);
  --grad-text:  linear-gradient(120deg, #FFD166 0%, #F5892A 55%, #FFB347 100%);
  --grad-dark:  linear-gradient(135deg, rgba(245,137,42,.12) 0%, rgba(255,209,102,.05) 100%);
  --grad-glow:  radial-gradient(ellipse at center, rgba(245,137,42,.15) 0%, transparent 70%);

  --font-jp:     'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-accent: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-ui:     'Jost', 'Helvetica Neue', sans-serif;

  --nav-h:     76px;
  --max-w:     1200px;
  --max-w-sm:  760px;
  --r:         4px;
  --r-md:      8px;
  --r-lg:      14px;

  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --t:          0.3s;
  --t-slow:     0.6s;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: var(--primary); text-decoration: none; transition: color var(--t) var(--ease); }
button { cursor: pointer; font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5.5vw, 3.8rem); font-weight: 300; line-height: 1.3; letter-spacing: 0.04em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.6rem); font-weight: 300; line-height: 1.4; letter-spacing: 0.04em; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.55rem); font-weight: 300; line-height: 1.5; letter-spacing: 0.03em; }
h4 { font-size: clamp(0.9rem, 1.6vw, 1.05rem); font-weight: 400; letter-spacing: 0.05em; }
p  { color: var(--text-muted); font-weight: 300; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: var(--max-w-sm); margin: 0 auto; padding: 0 20px; }
@media (min-width: 640px)  { .container, .container-sm { padding: 0 32px; } }
@media (min-width: 1024px) { .container, .container-sm { padding: 0 48px; } }

.section { padding: 110px 0; }
.section-sm { padding: 70px 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}
.section-title { color: var(--text); margin-bottom: 18px; }
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.95;
  max-width: 580px;
}

/* ── Grid ───────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (min-width: 640px)  { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px)  { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--grad);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}
.card:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 24px 64px rgba(0,0,0,.5), 0 0 40px rgba(245,137,42,.06); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(245,137,42,.08); border: 1px solid rgba(245,137,42,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 22px;
}
.card h3 { color: var(--text); margin-bottom: 12px; font-size: 1.1rem; }
.card p  { font-size: 0.88rem; line-height: 1.85; }

/* ── Divider ────────────────────────────────────────────────── */
.divider { width: 56px; height: 1px; background: var(--grad); margin: 22px 0; }
.divider-center { margin: 22px auto; }

/* ── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-block; font-family: var(--font-ui);
  font-size: 0.64rem; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--primary); background: rgba(245,137,42,.08); border: 1px solid rgba(245,137,42,.18);
  padding: 5px 14px; border-radius: 2px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-ui); font-size: 0.78rem; font-weight: 400;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 15px 34px; border-radius: var(--r); border: none;
  transition: all var(--t) var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #0A0508; box-shadow: 0 4px 20px rgba(245,137,42,.2); }
.btn-primary:hover { box-shadow: 0 8px 36px rgba(245,137,42,.4); transform: translateY(-2px); color: #0A0508; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--border-hover); }
.btn-outline:hover { background: rgba(245,137,42,.08); border-color: var(--primary); color: var(--primary-light); }
.btn-sm { padding: 10px 22px; font-size: 0.7rem; }

/* ── Image Wrapper ──────────────────────────────────────────── */
.img-wrap { overflow: hidden; border-radius: var(--r-lg); position: relative; }
.img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.img-wrap:hover img { transform: scale(1.06); }
.img-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,7,15,.8) 0%, transparent 55%); }

/* ── Navigation ─────────────────────────────────────────────── */
nav.main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); z-index: 1000;
  background: rgba(7,7,15,.82);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(245,137,42,.04);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}
nav.main-nav.scrolled { background: rgba(7,7,15,.96); border-bottom-color: var(--border); }
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
@media (min-width: 640px)  { .nav-inner { padding: 0 32px; } }
@media (min-width: 1024px) { .nav-inner { padding: 0 48px; } }

.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.nav-logo .logo-icon { width: 40px; height: 40px; flex-shrink: 0; }
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo .logo-name { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 400; letter-spacing: 0.14em; color: var(--text); text-transform: uppercase; white-space: nowrap; }
.nav-logo .logo-sub  { font-family: var(--font-ui); font-size: 0.54rem; font-weight: 200; letter-spacing: 0.26em; color: var(--primary); text-transform: uppercase; }

.nav-links { display: none; align-items: center; gap: 2px; }
@media (min-width: 1060px) { .nav-links { display: flex; } }
.nav-links > li > a {
  font-family: var(--font-ui); font-size: 0.7rem; font-weight: 300;
  letter-spacing: 0.1em; color: var(--text-muted);
  padding: 6px 10px; border-radius: var(--r); display: block; white-space: nowrap;
  transition: all var(--t) var(--ease);
}
.nav-links > li > a:hover, .nav-links > li > a.active { color: var(--primary-light); background: rgba(245,137,42,.07); }

.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 0.55rem; opacity: 0.6; }
.dropdown-menu {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 8px; min-width: 200px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
  backdrop-filter: blur(20px); box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.nav-dropdown:hover .dropdown-menu { opacity: 1; pointer-events: all; transform: translateX(-50%) translateY(0); }
.dropdown-menu a {
  display: block; font-family: var(--font-ui); font-size: 0.7rem;
  letter-spacing: 0.08em; color: var(--text-muted);
  padding: 8px 14px; border-radius: var(--r);
  transition: all var(--t) var(--ease);
}
.dropdown-menu a:hover { color: var(--primary-light); background: rgba(245,137,42,.07); padding-left: 18px; }

.nav-cta { display: none; }
@media (min-width: 1060px) { .nav-cta { display: flex; } }

.nav-burger { display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 8px; background: none; border: none; }
@media (min-width: 1060px) { .nav-burger { display: none; } }
.nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--text-muted); transition: all var(--t) var(--ease); }
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

.mobile-nav {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(11,11,24,.97); backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border); z-index: 999;
  padding: 16px 20px 28px;
  transform: translateY(-110%);
  transition: transform var(--t-slow) var(--ease);
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav a {
  display: block; font-family: var(--font-ui); font-size: 0.85rem; font-weight: 300;
  letter-spacing: 0.1em; color: var(--text-muted);
  padding: 13px 0; border-bottom: 1px solid rgba(245,137,42,.04);
  transition: all var(--t) var(--ease);
}
.mobile-nav a:hover { color: var(--primary-light); padding-left: 10px; }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav .m-label {
  font-family: var(--font-ui); font-size: 0.58rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--primary);
  padding: 18px 0 4px; display: block; border-bottom: none !important;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: var(--nav-h); }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; transform: scale(1.05); }
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,7,15,.97) 0%, rgba(7,7,15,.72) 45%, rgba(7,7,15,.92) 100%);
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  font-family: var(--font-ui); font-size: 0.66rem; font-weight: 300;
  letter-spacing: 0.38em; text-transform: uppercase; color: var(--primary);
  margin-bottom: 22px; display: flex; align-items: center; gap: 14px;
}
.hero-eyebrow::before { content: ''; display: block; width: 30px; height: 1px; background: var(--grad); }
.hero-title { color: var(--text); margin-bottom: 22px; }
.hero-desc { font-size: 1.02rem; max-width: 520px; line-height: 2; margin-bottom: 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ── Page Header ────────────────────────────────────────────── */
.page-header {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,137,42,.07) 0%, transparent 65%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }

/* ── Split Layout ───────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr; gap: 60px; align-items: center; }
@media (min-width: 768px) { .split { grid-template-columns: 1fr 1fr; gap: 80px; } }
@media (min-width: 768px) { .split.reverse > *:first-child { order: 2; } .split.reverse > *:last-child { order: 1; } }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-family: var(--font-ui); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 14px 18px; color: var(--text); font-family: var(--font-jp); font-size: 0.88rem;
  outline: none; transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease); appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-subtle); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: rgba(245,137,42,.5); box-shadow: 0 0 0 3px rgba(245,137,42,.08);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ── Footer ─────────────────────────────────────────────────── */
footer.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 48px; padding-bottom: 60px; }
@media (min-width: 640px)  { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-desc { font-family: var(--font-ui); font-size: 0.77rem; color: var(--text-subtle); line-height: 1.85; margin-top: 16px; max-width: 270px; }
.footer-contact { margin-top: 20px; font-family: var(--font-ui); font-size: 0.74rem; color: var(--text-subtle); line-height: 1.9; }
.footer-contact a { color: var(--primary); }
.footer-contact a:hover { color: var(--primary-light); }
.footer-col h4 { font-family: var(--font-ui); font-size: 0.62rem; font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase; color: var(--primary); margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-family: var(--font-ui); font-size: 0.77rem; font-weight: 300; color: var(--text-subtle); letter-spacing: 0.04em; transition: all var(--t) var(--ease); }
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(245,137,42,.04); padding: 26px 0;
  display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center;
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; } }
.footer-bottom p { font-family: var(--font-ui); font-size: 0.67rem; color: var(--text-hint); letter-spacing: 0.04em; }
.footer-bottom a { color: var(--text-subtle); }
.footer-bottom a:hover { color: var(--primary); }

/* ── Toast Notifications ────────────────────────────────────── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 14px 20px; display: flex; align-items: flex-start; gap: 12px;
  min-width: 280px; max-width: 360px; pointer-events: all;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  animation: toastIn .35s var(--ease) forwards;
}
.toast.success { border-left: 3px solid #4ADE80; }
.toast.error   { border-left: 3px solid #F87171; }
.toast.info    { border-left: 3px solid var(--primary); }
.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast-body { flex: 1; }
.toast-title { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 500; color: var(--text); margin-bottom: 2px; }
.toast-msg   { font-family: var(--font-ui); font-size: 0.73rem; color: var(--text-muted); line-height: 1.5; }
.toast-close { background: none; border: none; color: var(--text-subtle); font-size: 0.85rem; padding: 0; flex-shrink: 0; margin-top: 1px; cursor: pointer; }
.toast-close:hover { color: var(--text-muted); }
@keyframes toastIn  { from { opacity:0; transform: translateX(16px); } to { opacity:1; transform: translateX(0); } }
@keyframes toastOut { from { opacity:1; transform: translateX(0);    } to { opacity:0; transform: translateX(16px); } }

/* ── Animations ─────────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: .1s; }
.fade-up.delay-2 { transition-delay: .2s; }
.fade-up.delay-3 { transition-delay: .3s; }
.fade-up.delay-4 { transition-delay: .4s; }

/* ── Misc ───────────────────────────────────────────────────── */
.divider-grad { height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0.2; margin: 60px 0; }
.info-list li { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(245,137,42,.05); font-size: 0.88rem; color: var(--text-muted); }
.info-list li::before { content: '◆'; color: var(--primary); font-size: 0.5rem; margin-top: 6px; flex-shrink: 0; }

.contact-item { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid rgba(245,137,42,.06); }
.contact-item:first-child { padding-top: 0; }
.contact-item-icon { width: 44px; height: 44px; border-radius: 50%; background: rgba(245,137,42,.08); border: 1px solid rgba(245,137,42,.14); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-item-body h4 { font-family: var(--font-ui); font-size: 0.64rem; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--primary); margin-bottom: 6px; }
.contact-item-body p, .contact-item-body a { font-family: var(--font-ui); font-size: 0.86rem; color: var(--text-muted); }
.contact-item-body a:hover { color: var(--primary); }

.news-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); transition: all var(--t) var(--ease); }
.news-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.news-thumb { height: 200px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 28px; }
.news-date { font-family: var(--font-ui); font-size: 0.64rem; letter-spacing: 0.2em; color: var(--primary); margin-bottom: 10px; display: block; }
.news-card h3 { font-size: 0.98rem; color: var(--text); margin-bottom: 10px; font-weight: 400; }
.news-card p { font-size: 0.83rem; line-height: 1.8; }
.news-link { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-ui); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--primary); margin-top: 16px; transition: gap var(--t) var(--ease); }
.news-link::after { content: '→'; }
.news-link:hover { gap: 10px; }

.team-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); transition: all var(--t) var(--ease); }
.team-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.team-photo { height: 260px; overflow: hidden; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.team-card:hover .team-photo img { transform: scale(1.05); }
.team-info { padding: 24px 28px; }
.team-info h3 { font-size: 1rem; color: var(--text); margin-bottom: 4px; font-weight: 400; }
.team-role { font-family: var(--font-ui); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; }
.team-bio { font-size: 0.82rem; line-height: 1.8; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(245,137,42,.3); }
::selection { background: rgba(245,137,42,.22); color: var(--text); }