/*
Theme Name: TechVision4
Theme URI: https://techvision.example.com
Author: TechVision
Author URI: https://techvision.example.com
Description: TechVision4 - メリハリのあるBento Gridレイアウトと、よりキャッチーなビジュアルで進化したコーポレートテーマ。お知らせ・制作実績・導入実績・会社概要・カルーセル対応。
Version: 4.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: techvision4
Tags: corporate, business, responsive, custom-menu, custom-logo, carousel, bento
*/

/* ===== Tokens ===== */
:root {
  --tv-primary: #1d4ed8;
  --tv-primary-dark: #1e3a8a;
  --tv-primary-light: #3b82f6;
  --tv-accent: #06b6d4;
  --tv-cyan: #22d3ee;
  --tv-magenta: #ec4899;
  --tv-purple: #7c3aed;
  --tv-orange: #f97316;
  --tv-green: #10b981;
  --tv-dark: #0b1020;
  --tv-darker: #060914;
  --tv-text: #0f172a;
  --tv-muted: #64748b;
  --tv-bg: #f4f6fb;
  --tv-card: #ffffff;
  --tv-border: #e5e7eb;

  --grad-primary: linear-gradient(135deg, #1d4ed8 0%, #06b6d4 100%);
  --grad-accent:  linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  --grad-warm:    linear-gradient(135deg, #f97316 0%, #ec4899 100%);
  --grad-night:   linear-gradient(135deg, #0b1020 0%, #1e1b4b 60%, #0e7490 100%);
  --grad-glass:   linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,0) 100%);

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 50px rgba(15,23,42,.18);
  --shadow-glow: 0 10px 40px rgba(29,78,216,.35);

  --radius-sm: .5rem;
  --radius-md: .875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0; padding: 0;
  background: var(--tv-bg); color: var(--tv-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
svg { max-width: 100%; height: auto; }
section svg, h2 svg, h3 svg, a svg { max-width: 32px; max-height: 32px; }

/* ===== Utility ===== */
.container { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(15,23,42,.06);
}
.header-inner {
  max-width: 1240px; margin: 0 auto;
  padding: .9rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
}
.logo-text-link {
  font-size: 1.45rem; font-weight: 800; letter-spacing: -.01em;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.main-nav { display: none; }
@media (min-width: 768px) {
  .main-nav { display: flex; align-items: center; gap: 1.75rem; }
}
.nav-link {
  position: relative;
  color: #334155; font-weight: 600; font-size: .9375rem;
  transition: color .2s;
}
.nav-link::after {
  content:""; position: absolute; left:0; right:0; bottom:-6px; height:2px;
  background: var(--grad-primary); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav-link:hover, .nav-link.current { color: var(--tv-primary); }
.nav-link:hover::after, .nav-link.current::after { transform: scaleX(1); }
.nav-cta {
  background: var(--grad-primary); color: #fff !important;
  padding: .65rem 1.5rem; border-radius: 999px;
  font-weight: 700; font-size: .9375rem;
  box-shadow: 0 6px 18px rgba(29,78,216,.35);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(29,78,216,.45); }

/* Mobile Menu */
.mobile-menu-toggle {
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; padding: .5rem; cursor: pointer; color: #334155;
}
@media (min-width: 768px) { .mobile-menu-toggle { display: none; } }
.mobile-menu { display: none; padding: 0 1rem 1rem; }
.mobile-menu.is-active { display: block; }
@media (min-width: 768px) { .mobile-menu { display: none !important; } }
.mobile-nav-link { display: block; padding: .65rem .75rem; color: #334155; border-radius: .5rem; }
.mobile-nav-link:hover { background: #f1f5f9; color: var(--tv-primary); }
.mobile-nav-link.current { color: var(--tv-primary); font-weight: 600; }

/* ===== Hero ===== */
.rv-hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--grad-night);
  isolation: isolate;
}
.rv-hero-bg { position: absolute; inset: 0; z-index: -2; }
.rv-hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.rv-hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(6,182,212,.35), transparent 70%),
    radial-gradient(50% 40% at 85% 80%, rgba(124,58,237,.35), transparent 70%),
    linear-gradient(180deg, rgba(11,16,32,.35), rgba(11,16,32,.85));
}
.rv-hero::before {
  content:""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 50%, transparent 100%);
}
.rv-hero::after {
  content:""; position: absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(34,211,238,.8) 0, transparent 50%),
    radial-gradient(2px 2px at 70% 60%, rgba(236,72,153,.8) 0, transparent 50%),
    radial-gradient(2px 2px at 40% 80%, rgba(59,130,246,.9) 0, transparent 50%),
    radial-gradient(2px 2px at 85% 25%, rgba(255,255,255,.85) 0, transparent 50%);
}
.rv-hero-content {
  position: relative; text-align: center; color: #fff;
  max-width: 1000px; margin: 0 auto; padding: 5rem 1rem;
}
.rv-hero-label {
  display: inline-block;
  font-size: .8125rem; letter-spacing: .25em; font-weight: 600;
  padding: .4rem 1.1rem; margin-bottom: 1.75rem;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.06); backdrop-filter: blur(6px);
  border-radius: 999px;
  color: #e0f2fe;
}
.rv-hero-title {
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 800; line-height: 1.18;
  letter-spacing: -.02em;
  margin: 0 0 1.5rem;
  text-shadow: 0 4px 28px rgba(0,0,0,.35);
}
.rv-accent {
  background: linear-gradient(135deg, #22d3ee, #a78bfa, #ec4899);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.rv-hero-description {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  opacity: .92; margin: 0 auto 2.5rem; max-width: 720px;
  color: #e2e8f0;
}
.rv-hero-buttons {
  display: flex; flex-direction: column; gap: 1rem;
  justify-content: center; align-items: center;
}
@media (min-width: 640px) { .rv-hero-buttons { flex-direction: row; } }

.rv-btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--grad-primary); color: #fff; font-weight: 700;
  padding: 1rem 2.25rem; border-radius: 999px;
  box-shadow: 0 12px 30px rgba(6,182,212,.35);
  transition: transform .2s, box-shadow .2s;
}
.rv-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(6,182,212,.5); }
.rv-btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: rgba(255,255,255,.08); color: #fff; font-weight: 700;
  padding: 1rem 2.25rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.4); backdrop-filter: blur(8px);
  transition: all .2s;
}
.rv-btn-secondary:hover { background: rgba(255,255,255,.18); border-color: #fff; }

.rv-hero-stats {
  display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.rv-hero-stat { color: #fff; min-width: 120px; }
.rv-hero-stat-num {
  font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800;
  background: linear-gradient(135deg, #22d3ee, #a78bfa);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.rv-hero-stat-label {
  display: block; font-size: .75rem; letter-spacing: .15em;
  opacity: .75; margin-top: .5rem;
}

/* ===== (Legacy) Hero Section (sub pages still use) ===== */
.hero { position: relative; overflow: hidden; color: #fff; text-align: center; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,64,175,.92), rgba(37,99,235,.88)); }
.hero-content { position: relative; max-width: 800px; margin: 0 auto; padding: 8rem 1.5rem 5rem; }
.hero-label { font-size: .8125rem; letter-spacing: .15em; opacity: .7; margin-bottom: 1rem; font-weight: 500; }
.hero-title { font-size: 2.5rem; font-weight: 700; margin: 0 0 1rem; line-height: 1.4; }
.hero-description { font-size: 1rem; opacity: .9; margin: 0 auto 2rem; max-width: 600px; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: #fff; color: var(--tv-primary-dark);
  padding: .9rem 2rem; border-radius: 999px;
  font-weight: 700; font-size: .9375rem;
  transition: all .2s; box-shadow: 0 6px 18px rgba(0,0,0,.18);
  display: inline-flex; align-items: center; gap: .5rem;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.24); }
.btn-secondary {
  background: transparent; color: #fff;
  padding: .9rem 2rem; border-radius: 999px;
  font-weight: 600; font-size: .9375rem;
  border: 2px solid rgba(255,255,255,.5); transition: all .2s;
  display: inline-flex; align-items: center; gap: .5rem;
}
.btn-secondary:hover { background: rgba(255,255,255,.12); border-color: #fff; }

@media (max-width: 640px) {
  .hero-content { padding: 7rem 1.5rem 4rem; }
  .hero-title { font-size: 1.85rem; }
}

/* ===== Section Common ===== */
.section { padding: 6rem 1.5rem; position: relative; }
.section-white { background: #fff; }
.section-gray  { background: var(--tv-bg); }
.section-dark  {
  background: var(--grad-night); color: #fff;
  position: relative; overflow: hidden;
}
.section-dark::before {
  content:""; position: absolute; inset: 0; pointer-events:none;
  background:
    radial-gradient(40% 60% at 10% 20%, rgba(6,182,212,.18), transparent 60%),
    radial-gradient(40% 60% at 90% 80%, rgba(124,58,237,.18), transparent 60%);
}

.section-header { text-align: center; margin-bottom: 3.5rem; position: relative; z-index: 1; }
.section-label {
  display: inline-block;
  color: var(--tv-primary); font-weight: 700;
  font-size: .8125rem; letter-spacing: .25em;
  padding: .35rem .9rem; margin-bottom: 1rem;
  background: rgba(29,78,216,.08);
  border-radius: 999px;
}
.section-dark .section-label {
  color: #67e8f9; background: rgba(34,211,238,.12);
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; margin: 0 0 .85rem;
  color: var(--tv-text); letter-spacing: -.01em;
  line-height: 1.25;
}
.section-dark .section-title { color: #fff; }
.section-description {
  color: var(--tv-muted); max-width: 640px; margin: 0 auto;
  font-size: 1rem;
}
.section-dark .section-description { color: rgba(255,255,255,.75); }
.section-cta { text-align: center; margin-top: 3rem; position: relative; z-index: 1; }
.link-more {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--tv-primary); font-weight: 700; font-size: .9375rem;
  padding: .65rem 1.4rem; border-radius: 999px;
  background: rgba(29,78,216,.08);
  transition: all .2s;
}
.link-more:hover { background: var(--tv-primary); color: #fff; transform: translateY(-2px); }

/* ===== News Bar ===== */
.news-bar {
  background: #fff; padding: 2.5rem 1.5rem;
  border-bottom: 1px solid var(--tv-border);
}
.news-bar-inner { max-width: 1100px; margin: 0 auto; }
.news-bar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.news-bar-title {
  font-size: 1.05rem; font-weight: 800; color: var(--tv-text);
  display: flex; align-items: center; gap: .65rem; margin: 0;
}
.news-bar-title svg { width: 22px !important; height: 22px !important; flex-shrink: 0; color: var(--tv-primary); }
.news-bar-more {
  font-size: .85rem; color: var(--tv-primary); font-weight: 700;
  display: inline-flex; align-items: center; gap: .25rem;
}
.news-bar-list { display: flex; flex-direction: column; gap: 0; }
.news-bar-item {
  display: flex; align-items: center; gap: 1.25rem;
  padding: 1rem .25rem; border-bottom: 1px dashed #e2e8f0;
  transition: background .2s, padding .2s;
}
.news-bar-item:last-child { border-bottom: none; }
.news-bar-item:hover { background: #f8fafc; padding-left: .75rem; padding-right: .75rem; }
.news-bar-date { font-size: .8125rem; color: var(--tv-muted); white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 600; }
.news-bar-tag {
  font-size: .6875rem; font-weight: 700; letter-spacing: .04em;
  padding: .3rem .65rem; border-radius: .25rem; white-space: nowrap;
}
.news-bar-tag.info   { background: #dbeafe; color: #1d4ed8; }
.news-bar-tag.event  { background: #d1fae5; color: #047857; }
.news-bar-tag.update { background: #fef3c7; color: #b45309; }
.news-bar-text { font-size: .9375rem; color: #334155; flex: 1; font-weight: 500; }
.news-bar-item:hover .news-bar-text { color: var(--tv-primary); }
@media (max-width: 640px) {
  .news-bar-item { flex-wrap: wrap; gap: .5rem; }
  .news-bar-text { width: 100%; }
}

/* ===== Carousel ===== */
.carousel-wrapper { position: relative; overflow: hidden; padding: .25rem; }
.carousel-track {
  display: flex; gap: 1.5rem;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
  cursor: grab;
}
.carousel-track.grabbing { cursor: grabbing; transition: none; }
.carousel-track > * { flex-shrink: 0; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: #fff; border: 1px solid var(--tv-border);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 10; transition: all .25s;
  color: var(--tv-primary);
}
.carousel-btn:hover { background: var(--tv-primary); color: #fff; box-shadow: var(--shadow-glow); transform: translateY(-50%) scale(1.05); }
.carousel-btn:disabled { opacity: .25; cursor: default; }
.carousel-btn.prev { left: -1rem; }
.carousel-btn.next { right: -1rem; }
@media (max-width: 768px) {
  .carousel-btn { width: 40px; height: 40px; }
  .carousel-btn.prev { left: .25rem; }
  .carousel-btn.next { right: .25rem; }
}
.carousel-dots {
  display: flex; justify-content: center; gap: .5rem; margin-top: 2rem;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #cbd5e1; border: none; cursor: pointer; padding: 0;
  transition: all .25s;
}
.carousel-dot.active { background: var(--tv-primary); width: 28px; border-radius: 4px; }

/* ===== PRODUCTS – カルーセルカード（メリハリ強化） ===== */
.product-card {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden; transition: all .35s cubic-bezier(.22,.61,.36,1);
  border: 1px solid var(--tv-border);
  width: calc(33.333% - 1rem);
  min-width: 300px;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.product-badge {
  position: absolute; top: .9rem; left: .9rem;
  color: #fff; font-size: .6875rem; font-weight: 800; letter-spacing: .05em;
  padding: .35rem .8rem; border-radius: 999px; z-index: 10;
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
}
.product-badge.popular   { background: linear-gradient(135deg,#dc2626,#f97316); }
.product-badge.new       { background: linear-gradient(135deg,#10b981,#06b6d4); }
.product-badge.recommend { background: linear-gradient(135deg,#1d4ed8,#7c3aed); }
.product-image {
  position: relative;
  height: 200px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  overflow: hidden;
}
.product-image::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.25));
}
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-image img { transform: scale(1.07); }
.product-image svg { width: 56px; height: 56px; color: rgba(255,255,255,.85); max-width: 56px !important; max-height: 56px !important; position: relative; z-index: 1; }
.product-content { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-title { font-size: 1.15rem; font-weight: 800; margin: 0 0 .5rem; color: var(--tv-text); letter-spacing: -.01em; }
.product-description { color: var(--tv-muted); font-size: .875rem; margin: 0 0 1.25rem; line-height: 1.7; flex: 1; }
.product-link {
  display: inline-flex; align-items: center; align-self: flex-start;
  color: var(--tv-primary); font-weight: 700; font-size: .85rem;
  padding: .5rem 0;
}
.product-link svg { margin-left: .375rem; transition: transform .25s; max-width: 14px !important; max-height: 14px !important; }
.product-link:hover svg { transform: translateX(5px); }

/* ===== SERVICES – Bento Grid（メリハリ最大化） ===== */
.services-bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 220px;
  gap: 1.25rem;
}
.service-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--tv-border);
  box-shadow: var(--shadow-sm);
  transition: all .35s cubic-bezier(.22,.61,.36,1);
  display: flex; flex-direction: column;
  isolation: isolate;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
/* Bento patterns: 1=large, 2=tall, 3=wide, 4=small */
.services-bento .service-card:nth-child(1) {
  grid-column: span 4; grid-row: span 2;
}
.services-bento .service-card:nth-child(2) {
  grid-column: span 2; grid-row: span 2;
}
.services-bento .service-card:nth-child(3) {
  grid-column: span 3; grid-row: span 1;
}
.services-bento .service-card:nth-child(4) {
  grid-column: span 3; grid-row: span 1;
}

/* Featured (1st) – 画像背景に文字オーバーレイ */
.services-bento .service-card:nth-child(1) .service-card-image {
  position: absolute; inset: 0; height: 100%; z-index: -1;
}
.services-bento .service-card:nth-child(1) .service-card-image::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(11,16,32,.85) 0%, rgba(29,78,216,.55) 60%, rgba(6,182,212,.25) 100%);
}
.services-bento .service-card:nth-child(1) .service-card-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.services-bento .service-card:nth-child(1) .service-card-body {
  position: relative; color: #fff;
  padding: 2.25rem; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.services-bento .service-card:nth-child(1) .service-card-title { color: #fff; font-size: 1.625rem; }
.services-bento .service-card:nth-child(1) .service-card-desc  { color: rgba(255,255,255,.85); font-size: .95rem; max-width: 480px; }
.services-bento .service-card:nth-child(1) .service-icon {
  background: rgba(255,255,255,.18); color: #fff;
  width: 56px; height: 56px;
  backdrop-filter: blur(10px);
}
.services-bento .service-card:nth-child(1) .service-icon svg { width: 28px !important; height: 28px !important; max-width: 28px !important; max-height: 28px !important; }

/* Tall (2nd) – 縦長 画像上＋本文下 */
.services-bento .service-card:nth-child(2) { display: flex; flex-direction: column; }
.services-bento .service-card:nth-child(2) .service-card-image { height: 55%; flex-shrink: 0; }
.services-bento .service-card:nth-child(2) .service-card-image img { width: 100%; height: 100%; object-fit: cover; }
.services-bento .service-card:nth-child(2) .service-card-body { flex: 1; padding: 1.25rem 1.5rem; }
.services-bento .service-card:nth-child(2) .service-icon { margin-top: -2.25rem; box-shadow: var(--shadow-md); border: 3px solid #fff; }

/* Wide (3rd, 4th) – 横長：左にアイコン、右にテキスト */
.services-bento .service-card:nth-child(3),
.services-bento .service-card:nth-child(4) {
  flex-direction: row; align-items: center;
}
.services-bento .service-card:nth-child(3) .service-card-image,
.services-bento .service-card:nth-child(4) .service-card-image {
  width: 200px; height: 100%; flex-shrink: 0;
}
.services-bento .service-card:nth-child(3) .service-card-image img,
.services-bento .service-card:nth-child(4) .service-card-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.services-bento .service-card:nth-child(3) .service-card-body,
.services-bento .service-card:nth-child(4) .service-card-body {
  padding: 1.25rem 1.75rem; flex: 1;
}
.services-bento .service-card:nth-child(3) .service-icon,
.services-bento .service-card:nth-child(4) .service-icon { margin-bottom: .5rem; }

/* Service common */
.service-card-image { height: 140px; background: #e5e7eb; overflow: hidden; }
.service-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.service-card:hover .service-card-image img { transform: scale(1.06); }
.service-card-body { padding: 1.25rem 1.5rem; }
.service-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: .85rem;
}
.service-icon svg { width: 24px !important; height: 24px !important; max-width: 24px !important; max-height: 24px !important; }
.service-icon.blue   { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: var(--tv-primary); }
.service-icon.green  { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #059669; }
.service-icon.purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); color: var(--tv-purple); }
.service-icon.orange { background: linear-gradient(135deg, #ffedd5, #fed7aa); color: #ea580c; }
.service-card-title { font-size: 1.125rem; font-weight: 800; margin: 0 0 .375rem; color: var(--tv-text); letter-spacing: -.01em; }
.service-card-desc { color: var(--tv-muted); font-size: .875rem; line-height: 1.65; margin: 0; }

@media (max-width: 1024px) {
  .services-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .services-bento .service-card:nth-child(n) { grid-column: span 2; grid-row: auto; }
  .services-bento .service-card:nth-child(1) { min-height: 320px; }
  .services-bento .service-card:nth-child(3),
  .services-bento .service-card:nth-child(4) { flex-direction: column; align-items: stretch; }
  .services-bento .service-card:nth-child(3) .service-card-image,
  .services-bento .service-card:nth-child(4) .service-card-image { width: 100%; height: 160px; }
}

/* ===== FEATURES (Why Choose Us) – 大きな番号＋非対称 ===== */
.features-bento {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.25rem;
  position: relative; z-index: 1;
}
.feature-card {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all .35s cubic-bezier(.22,.61,.36,1);
}
.feature-card::before {
  content: attr(data-num);
  position: absolute; top: -.5rem; right: 1rem;
  font-size: 7rem; font-weight: 900; line-height: 1;
  background: linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,0));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  pointer-events: none;
  font-family: 'Inter', system-ui, sans-serif;
}
.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.25);
  box-shadow: 0 20px 40px rgba(0,0,0,.35);
}
.features-bento .feature-card:nth-child(1) {
  background: linear-gradient(135deg, rgba(29,78,216,.35), rgba(124,58,237,.25));
  border-color: rgba(34,211,238,.35);
}
.features-bento .feature-card:nth-child(1)::before { color: rgba(34,211,238,.18); -webkit-text-fill-color: rgba(34,211,238,.18); }
.feature-icon {
  width: 64px; height: 64px; border-radius: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  position: relative; z-index: 1;
}
.feature-icon svg { width: 30px !important; height: 30px !important; max-width: 30px !important; max-height: 30px !important; color: #fff; }
.feature-icon.blue   { background: linear-gradient(135deg, rgba(59,130,246,.35), rgba(34,211,238,.35)); box-shadow: 0 10px 30px rgba(59,130,246,.35); }
.feature-icon.green  { background: linear-gradient(135deg, rgba(16,185,129,.35), rgba(34,197,94,.35));  box-shadow: 0 10px 30px rgba(16,185,129,.3); }
.feature-icon.purple { background: linear-gradient(135deg, rgba(124,58,237,.35), rgba(236,72,153,.35)); box-shadow: 0 10px 30px rgba(124,58,237,.3); }
.feature-title {
  font-size: 1.35rem; font-weight: 800; margin: 0 0 .65rem; color: #fff;
  letter-spacing: -.01em; position: relative; z-index: 1;
}
.feature-description {
  color: rgba(255,255,255,.78); font-size: .9375rem; line-height: 1.75; margin: 0;
  position: relative; z-index: 1;
}
.features-bento .feature-card:nth-child(1) .feature-title { font-size: 1.6rem; }
.features-bento .feature-card:nth-child(1) .feature-description { color: rgba(255,255,255,.92); }

@media (max-width: 1024px) {
  .features-bento { grid-template-columns: 1fr; }
}

/* ===== CASES – Bento (フィーチャー＋スタック) ===== */
.cases-bento {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
}
.case-card {
  position: relative;
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--tv-border);
  transition: all .35s cubic-bezier(.22,.61,.36,1);
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card-image { position: relative; height: 200px; background: #e5e7eb; overflow: hidden; }
.case-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-card-image img { transform: scale(1.06); }
.case-card-body { padding: 1.5rem 1.75rem; flex: 1; display: flex; flex-direction: column; }
.case-tag {
  display: inline-block; align-self: flex-start;
  font-size: .6875rem; font-weight: 800; letter-spacing: .04em;
  padding: .3rem .75rem; border-radius: 999px; margin-bottom: .75rem;
}
.case-tag.blue   { background: #dbeafe; color: #1d4ed8; }
.case-tag.green  { background: #d1fae5; color: #047857; }
.case-tag.purple { background: #ede9fe; color: var(--tv-purple); }
.case-tag.orange { background: #ffedd5; color: #ea580c; }
.case-card-title { font-size: 1.125rem; font-weight: 800; color: var(--tv-text); margin: 0 0 .5rem; letter-spacing: -.01em; }
.case-card-desc { font-size: .875rem; color: var(--tv-muted); margin: 0 0 1rem; flex: 1; line-height: 1.65; }
.case-card-link {
  font-size: .85rem; color: var(--tv-primary); font-weight: 700;
  display: inline-flex; align-items: center; gap: .25rem;
}
.cases-bento .case-card.case-feature {
  grid-row: span 2;
}
.cases-bento .case-card.case-feature .case-card-image { height: 100%; min-height: 300px; flex: 1; }
.cases-bento .case-card.case-feature .case-card-body {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(11,16,32,.92) 60%);
  color: #fff; padding: 2.5rem 2rem 2rem;
}
.cases-bento .case-card.case-feature .case-card-title { color: #fff; font-size: 1.5rem; }
.cases-bento .case-card.case-feature .case-card-desc { color: rgba(255,255,255,.9); font-size: 1rem; }
.cases-bento .case-card.case-feature .case-card-link { color: #67e8f9; }
.cases-bento .case-card.case-feature .case-tag {
  position: absolute; top: 1.25rem; left: 1.25rem;
  background: rgba(255,255,255,.95); color: var(--tv-primary);
  margin: 0;
}

@media (max-width: 768px) {
  .cases-bento { grid-template-columns: 1fr; }
  .cases-bento .case-card.case-feature { grid-row: auto; }
  .cases-bento .case-card.case-feature .case-card-body { position: relative; background: #fff; color: var(--tv-text); padding: 1.5rem; }
  .cases-bento .case-card.case-feature .case-card-title { color: var(--tv-text); font-size: 1.25rem; }
  .cases-bento .case-card.case-feature .case-card-desc { color: var(--tv-muted); }
  .cases-bento .case-card.case-feature .case-card-link { color: var(--tv-primary); }
  .cases-bento .case-card.case-feature .case-tag { position: absolute; }
}

/* ===== WORKS – Carousel cards ===== */
.work-card {
  position: relative;
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--tv-border);
  transition: all .35s cubic-bezier(.22,.61,.36,1);
  min-width: 320px; width: calc(33.333% - 1rem);
  display: flex; flex-direction: column;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.work-card-image {
  position: relative; height: 220px; background: #e5e7eb; overflow: hidden;
}
.work-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.work-card:hover .work-card-image img { transform: scale(1.07); }
.work-card-image::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 60%, rgba(11,16,32,.55));
  opacity:0; transition: opacity .3s;
}
.work-card:hover .work-card-image::after { opacity: 1; }
.work-card-body { padding: 1.5rem 1.5rem 1.75rem; flex: 1; display: flex; flex-direction: column; }
.work-card-tag {
  position: absolute; top: .9rem; left: .9rem; z-index: 10;
  color: #fff; font-size: .6875rem; font-weight: 800; letter-spacing: .05em;
  padding: .35rem .8rem; border-radius: 999px;
  background: linear-gradient(135deg,#dc2626,#f97316);
  box-shadow: 0 2px 6px rgba(220,38,38,.25);
}
.work-card-title { font-size: 1.1rem; font-weight: 800; color: var(--tv-text); margin: 0 0 .5rem; letter-spacing: -.01em; }
.work-card-desc { font-size: .875rem; color: var(--tv-muted); margin: 0 0 1rem; flex: 1; line-height: 1.65; }
.work-card-link { font-size: .85rem; color: var(--tv-primary); font-weight: 700; }

/* ===== Company Overview – 2カラムでメリハリ ===== */
.company-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem; align-items: start;
  max-width: 1100px; margin: 0 auto;
}
.company-side {
  position: relative;
  background: var(--grad-primary);
  color: #fff;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
}
.company-side::before {
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(40% 50% at 90% 0%, rgba(255,255,255,.25), transparent 60%),
    radial-gradient(50% 50% at 0% 100%, rgba(0,0,0,.15), transparent 60%);
}
.company-side-label {
  font-size: .75rem; letter-spacing: .25em; opacity: .85; margin: 0 0 .75rem;
}
.company-side-title {
  font-size: 1.875rem; font-weight: 800; margin: 0 0 1rem;
  letter-spacing: -.01em; line-height: 1.3;
}
.company-side-desc {
  font-size: .9375rem; opacity: .92; line-height: 1.8; margin: 0 0 2rem;
}
.company-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.company-stat {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem; backdrop-filter: blur(6px);
}
.company-stat-num { font-size: 1.75rem; font-weight: 800; line-height: 1; margin-bottom: .35rem; }
.company-stat-label { font-size: .75rem; letter-spacing: .08em; opacity: .85; }

.company-table { width: 100%; border-collapse: collapse; }
.company-table tr { border-bottom: 1px solid #e5e7eb; transition: background .15s; }
.company-table tr:hover { background: #fff; }
.company-table th {
  padding: 1.1rem 1.5rem 1.1rem 0; text-align: left;
  font-size: .8125rem; font-weight: 700; color: var(--tv-primary);
  letter-spacing: .04em;
  white-space: nowrap; width: 130px;
  vertical-align: top;
}
.company-table td { padding: 1.1rem 0; font-size: .9375rem; color: #334155; vertical-align: top; }
@media (max-width: 900px) {
  .company-wrap { grid-template-columns: 1fr; }
  .company-side { padding: 2rem; }
}
@media (max-width: 640px) {
  .company-table th { width: 100px; padding-right: 1rem; font-size: .75rem; }
  .company-table td { font-size: .875rem; }
}

/* ===== CTA Section – 大判で印象的に ===== */
.cta-section {
  position: relative;
  background: var(--grad-night);
  padding: 5.5rem 1.5rem; text-align: center; color: #fff;
  overflow: hidden; isolation: isolate;
}
.cta-section::before {
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(60% 60% at 20% 30%, rgba(6,182,212,.35), transparent 60%),
    radial-gradient(60% 60% at 80% 70%, rgba(124,58,237,.35), transparent 60%);
}
.cta-section::after {
  content:""; position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 50%, #000 40%, transparent 100%);
}
.cta-label {
  display: inline-block; padding: .4rem 1.1rem;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  border-radius: 999px; font-size: .75rem; letter-spacing: .25em;
  margin-bottom: 1.25rem; color: #67e8f9;
  backdrop-filter: blur(8px);
}
.cta-title {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 800; margin: 0 0 1.25rem;
  letter-spacing: -.01em; line-height: 1.3;
}
.cta-description { opacity: .9; max-width: 640px; margin: 0 auto 2.5rem; font-size: 1rem; line-height: 1.8; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-section .btn-primary {
  background: var(--grad-primary); color: #fff;
  box-shadow: 0 12px 30px rgba(6,182,212,.4);
}
.cta-section .btn-primary:hover { box-shadow: 0 16px 40px rgba(6,182,212,.55); }

/* ===== Footer ===== */
.site-footer { background: #0b1020; color: #fff; }
.footer-inner { max-width: 1240px; margin: 0 auto; padding: 4rem 1.5rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-logo-text {
  font-size: 1.4rem; font-weight: 800; display: block; margin-bottom: 1rem;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer-description { color: #94a3b8; font-size: .875rem; line-height: 1.75; }
.footer-heading { font-size: .9375rem; font-weight: 800; margin: 0 0 1.25rem; color:#fff; letter-spacing: .02em; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .65rem; }
.footer-links a { color: #94a3b8; font-size: .875rem; transition: color .2s, padding-left .2s; display: inline-block; }
.footer-links a:hover { color: #fff; padding-left: .35rem; }
.footer-contact { color: #94a3b8; font-size: .875rem; line-height: 1.85; }
.footer-contact p { margin: 0; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 3rem; padding-top: 1.75rem; border-top: 1px solid rgba(255,255,255,.08);
}
.copyright { color: #94a3b8; font-size: .8125rem; margin: 0; }
.social-links { display: flex; gap: .75rem; }
.social-links a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: inline-flex; align-items: center; justify-content: center;
  color: #cbd5e1; transition: all .2s;
}
.social-links a:hover { background: var(--tv-primary); color: #fff; transform: translateY(-2px); }
.social-links svg { width: 18px; height: 18px; max-width: 18px !important; max-height: 18px !important; }

@media (max-width: 1024px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ===== Sub Pages Common ===== */
.page-hero {
  position: relative;
  background: var(--grad-night); color: #fff;
  padding: 7rem 1.5rem 4rem; text-align: center;
  overflow: hidden; isolation: isolate;
}
.page-hero::before {
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(50% 50% at 20% 20%, rgba(6,182,212,.3), transparent 60%),
    radial-gradient(50% 50% at 80% 80%, rgba(124,58,237,.3), transparent 60%);
}
.page-hero::after {
  content:""; position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 50%, transparent 100%);
}
.page-hero-title { font-size: clamp(1.875rem, 3.5vw, 2.5rem); font-weight: 800; margin: 0 0 .75rem; letter-spacing: -.01em; }
.page-hero-desc { opacity: .9; font-size: 1rem; margin: 0; }
.page-content { padding: 4rem 1.5rem; }
.page-content .container { max-width: 800px; }

/* Contact Form */
.contact-section { padding: 4rem 1.5rem; }
.contact-form { max-width: 720px; margin: 0 auto; background: #fff; padding: 2.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-weight: 700; font-size: .875rem; margin-bottom: .55rem; color: #334155; }
.form-required { color: #ef4444; font-size: .75rem; }
.form-input, .form-textarea {
  width: 100%; padding: .85rem 1rem;
  border: 1px solid #d1d5db; border-radius: .65rem;
  font-size: .9375rem; font-family: inherit;
  transition: all .2s; background: #f9fafb;
}
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--tv-primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(29,78,216,.12);
}
.form-textarea { resize: vertical; min-height: 160px; }
.form-submit {
  background: var(--grad-primary); color: #fff;
  padding: 1rem 2.5rem; border: none; border-radius: 999px;
  font-size: 1rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 10px 24px rgba(29,78,216,.3);
  transition: all .2s;
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(29,78,216,.4); }

/* News Archive */
.news-list { max-width: 880px; margin: 0 auto; }
.news-article {
  padding: 1.75rem 0; border-bottom: 1px solid var(--tv-border);
  display: flex; gap: 1.75rem; align-items: flex-start;
  transition: transform .2s;
}
.news-article:hover { transform: translateX(4px); }
.news-article-image { width: 220px; height: 140px; border-radius: var(--radius-md); overflow: hidden; flex-shrink: 0; }
.news-article-image img { width: 100%; height: 100%; object-fit: cover; }
.news-article-body { flex: 1; }
.news-article-date { font-size: .8125rem; color: var(--tv-muted); margin-bottom: .35rem; font-variant-numeric: tabular-nums; font-weight: 600; }
.news-article-title { font-size: 1.125rem; font-weight: 800; color: var(--tv-text); margin: 0 0 .5rem; }
.news-article-excerpt { font-size: .875rem; color: var(--tv-muted); margin: 0; line-height: 1.7; }
@media (max-width: 640px) {
  .news-article { flex-direction: column; }
  .news-article-image { width: 100%; height: 200px; }
}

/* Works/Cases Archive Grid */
.archive-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem;
  max-width: 1240px; margin: 0 auto;
}
@media (max-width: 1024px) { .archive-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .archive-grid { grid-template-columns: 1fr; } }

/* Single Post */
.single-content {
  max-width: 800px; margin: 0 auto; padding: 4rem 1.5rem;
  font-size: 1rem; line-height: 1.9; color: #334155;
}
.single-content h1, .single-content h2, .single-content h3 { color: var(--tv-text); }
.single-content img { border-radius: var(--radius-md); }
.single-meta { display: flex; gap: 1rem; align-items: center; margin-bottom: 2rem; color: var(--tv-muted); font-size: .875rem; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: .5rem; padding: 2.5rem 0; }
.pagination a, .pagination span {
  padding: .55rem 1rem; border: 1px solid var(--tv-border); border-radius: .5rem;
  font-size: .875rem; color: #334155; background: #fff;
  font-weight: 600;
}
.pagination .current { background: var(--grad-primary); color: #fff; border-color: transparent; }
.pagination a:hover { background: #f1f5f9; }

/* WP alignment */
.aligncenter { display: block; margin: 0 auto; }
.alignleft { float: left; margin: 0 1rem 1rem 0; }
.alignright { float: right; margin: 0 0 1rem 1rem; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: .8125rem; color: var(--tv-muted); text-align: center; margin-top: .5rem; }

/* Admin bar offset */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }

/* ===== Legacy classes kept for backward compatibility ===== */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 1024px) { .services-grid, .cases-grid { grid-template-columns: repeat(2, 1fr); } .features-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .services-grid, .cases-grid { grid-template-columns: 1fr; } }