/*
Theme Name: PHMB Sports Protect
Theme URI: 
Author: Your Name
Description: Corporate site theme for PHMB-based sports disinfection & antibacterial products
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: phmb-theme
*/

/* =============================================
   CSS VARIABLES
============================================= */
:root {
  --color-navy:    #0a1628;
  --color-blue:    #1e6fba;
  --color-sky:     #7ec8e3;
  --color-white:   #ffffff;
  --color-light:   #f4f7fb;
  --color-gray:    #8fafc8;
  --color-text:    #1a2a3a;
  --color-muted:   #5a7a95;
  --color-border:  #d6e4f0;
  --color-accent:  #0fa3b1;

  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body:    'Noto Sans JP', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --max-width: 1100px;
  --section-pad: 80px 20px;
}

/* =============================================
   RESET & BASE
============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* =============================================
   TYPOGRAPHY
============================================= */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-navy);
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* =============================================
   LAYOUT UTILITIES
============================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: var(--section-pad); }
.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}
.section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--light { background: var(--color-light); }
.section-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-blue);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section--dark .section-eyebrow { color: var(--color-sky); }
.section-title { margin-bottom: 16px; }
.section-desc {
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: 48px;
}
.section--dark .section-desc { color: var(--color-gray); }

/* =============================================
   BUTTONS
============================================= */
.btn {
  display: inline-block;
  padding: 13px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--color-blue);
  color: var(--color-white);
}
.btn--primary:hover {
  background: #1558a0;
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.1);
}

/* =============================================
   HEADER / NAV
============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(126,200,227,0.15);
  transition: box-shadow 0.3s;
}
.site-header.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.site-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.1em;
}
.site-logo span { color: var(--color-sky); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-menu a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.75);
  transition: color 0.2s;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--color-sky);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-menu a:hover,
.nav-menu a.current-menu-item { color: var(--color-white); }
.nav-menu a:hover::after,
.nav-menu a.current-menu-item::after { transform: scaleX(1); }
.nav-cta {
  background: var(--color-blue) !important;
  color: var(--color-white) !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem !important;
}
.nav-cta::after { display: none !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all 0.3s;
}

/* =============================================
   FOOTER
============================================= */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.6);
  padding: 48px 24px 28px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.footer-brand-name span { color: var(--color-sky); }
.footer-desc { font-size: 0.82rem; line-height: 1.7; }
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--color-sky);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}
.footer-policy a {
  color: rgba(255,255,255,0.45);
  margin-left: 20px;
  transition: color 0.2s;
}
.footer-policy a:hover { color: var(--color-white); }

/* =============================================
   HERO (front-page)
============================================= */
.hero {
  min-height: 100vh;
  background: var(--color-navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(30,111,186,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(15,163,177,0.12) 0%, transparent 60%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126,200,227,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,200,227,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--color-sky);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-sky);
}
.hero h1 {
  color: var(--color-white);
  margin-bottom: 24px;
  max-width: 700px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-sky);
}
.hero-desc {
  color: var(--color-gray);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badge {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  gap: 32px;
  z-index: 2;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-sky);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.72rem;
  color: var(--color-gray);
  margin-top: 4px;
  letter-spacing: 0.08em;
}

/* =============================================
   FEATURES (front-page)
============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,111,186,0.1);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--color-muted); }

/* =============================================
   PRODUCTS GRID
============================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,111,186,0.1);
}
.product-img {
  height: 200px;
  background: linear-gradient(135deg, #e6f1fb 0%, #d0e8f8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-blue);
  letter-spacing: 0.1em;
  font-weight: 600;
}
.product-body { padding: 24px 26px; }
.product-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  color: var(--color-blue);
  background: #e6f1fb;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.product-body h3 { margin-bottom: 8px; }
.product-body p { font-size: 0.88rem; color: var(--color-muted); }

/* =============================================
   ABOUT (company page)
============================================= */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img-placeholder {
  background: linear-gradient(135deg, #e6f1fb 0%, #d0e8f8 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-blue);
  letter-spacing: 0.12em;
}
.about-list { margin-top: 28px; }
.about-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.about-list li:last-child { border-bottom: none; }
.about-list-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  width: 100px;
  flex-shrink: 0;
  padding-top: 2px;
}

/* =============================================
   CONTACT FORM
============================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 72px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { font-size: 0.9rem; color: var(--color-muted); margin-bottom: 32px; }
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-detail-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.contact-detail-icon {
  width: 36px;
  height: 36px;
  background: var(--color-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-detail-text { font-size: 0.88rem; color: var(--color-muted); }
.contact-detail-text strong { display: block; color: var(--color-text); font-size: 0.9rem; }
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 6px;
}
.form-group label .required {
  color: var(--color-blue);
  margin-left: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30,111,186,0.12);
  background: var(--color-white);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { text-align: right; margin-top: 8px; }

/* =============================================
   PAGE HERO (inner pages)
============================================= */
.page-hero {
  background: var(--color-navy);
  padding: 140px 24px 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 80% 50%, rgba(30,111,186,0.2) 0%, transparent 70%);
}
.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126,200,227,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,200,227,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-sky);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--color-sky);
}
.page-hero h1 { color: var(--color-white); max-width: 600px; }
.page-hero-sub {
  color: var(--color-gray);
  margin-top: 16px;
  font-size: 1rem;
  max-width: 480px;
}

/* =============================================
   BREADCRUMB
============================================= */
.breadcrumb {
  padding: 14px 24px;
  background: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.78rem;
  color: var(--color-muted);
}
.breadcrumb-inner a { color: var(--color-blue); }
.breadcrumb-inner a:hover { text-decoration: underline; }
.breadcrumb-sep { margin: 0 8px; }

/* =============================================
   TARGET GRID（ターゲット別訴求カード）
============================================= */
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.target-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s;
}
.target-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,111,186,0.1);
}
.target-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  line-height: 1;
}
.target-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-blue);
  background: #e6f1fb;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.target-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.target-card p  { font-size: 0.88rem; color: var(--color-muted); flex: 1; }
.target-list {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.target-list li {
  font-size: 0.84rem;
  color: var(--color-text);
}
.target-link {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--color-blue);
  font-weight: 600;
  transition: gap 0.2s;
}
.target-link:hover { text-decoration: underline; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 900px) {
  :root { --section-pad: 60px 20px; }
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .products-grid { grid-template-columns: 1fr; }
  .target-grid   { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-badge { display: none; }
}
@media (max-width: 600px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 20px; }
}