/* ====================================================================
   BCDC.Ai.GPU Data Center 株式会社 — tenak.ai インスパイア
   宇宙テーマ・暖色グラデ・スクリプトロゴ・3本柱
   ==================================================================== */

:root {
  --bg: #0b0820;
  --bg-2: #1a0e2e;
  --panel: #161226;
  --panel-2: #1c1530;
  --line: rgba(255, 255, 255, 0.1);

  --text: #f5ecff;
  --mute: #a395b8;

  --orange: #ff7a45;
  --red: #ff4d63;
  --purple: #a855f7;
  --pink: #ff7eb6;
  --gold: #fbbf24;
  --cyan: #38d4ff;

  --grad-hero: linear-gradient(135deg, #ff7a45 0%, #ff4d63 35%, #a855f7 70%, #38d4ff 100%);
  --grad-warm: linear-gradient(135deg, #ff7a45, #ff4d63 60%, #a855f7);
  --grad-night: linear-gradient(180deg, #0b0820 0%, #1a0e2e 100%);

  --container: 1240px;
  --radius: 22px;
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 80px -10px rgba(168, 85, 247, 0.5);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
::selection { background: rgba(255, 122, 69, 0.4); color: #fff; }

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

/* ==================== Starfield 背景 (固定) ==================== */
.starfield {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 1200px 600px at 20% 10%, rgba(255, 122, 69, 0.25), transparent 60%),
    radial-gradient(ellipse 900px 700px at 80% 30%, rgba(168, 85, 247, 0.25), transparent 65%),
    radial-gradient(ellipse 700px 500px at 50% 90%, rgba(56, 212, 255, 0.18), transparent 70%),
    var(--grad-night);
  pointer-events: none;
}
.starfield::before, .starfield::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, white, transparent),
    radial-gradient(1px 1px at 60% 70%, white, transparent),
    radial-gradient(1px 1px at 80% 40%, white, transparent),
    radial-gradient(2px 2px at 45% 20%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 30% 85%, white, transparent),
    radial-gradient(1px 1px at 90% 90%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 10% 60%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 70% 10%, white, transparent);
  background-size: 200px 200px, 350px 350px, 180px 180px, 280px 280px, 220px 220px, 320px 320px, 240px 240px, 300px 300px;
  animation: twinkle 6s ease-in-out infinite;
  opacity: 0.7;
}
.starfield::after {
  animation-delay: 3s;
  background-size: 150px 150px, 250px 250px, 200px 200px, 180px 180px, 320px 320px, 280px 280px, 220px 220px, 350px 350px;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.85; }
}

/* 浮かぶ惑星 */
.planet { position: fixed; border-radius: 50%; pointer-events: none; z-index: 0; }
.planet.p1 {
  width: 120px; height: 120px; top: 15%; right: 8%;
  background: radial-gradient(circle at 30% 30%, #ff7a45, #ff4d63 60%, #6a1b3d);
  box-shadow: 0 0 80px rgba(255, 122, 69, 0.4);
  animation: float 12s ease-in-out infinite;
}
.planet.p2 {
  width: 70px; height: 70px; top: 70%; left: 5%;
  background: radial-gradient(circle at 30% 30%, #a855f7, #6d28d9 60%, #2e1065);
  box-shadow: 0 0 60px rgba(168, 85, 247, 0.5);
  animation: float 15s ease-in-out infinite -3s;
}
.planet.p3 {
  width: 90px; height: 90px; top: 40%; left: 50%;
  background: radial-gradient(circle at 30% 30%, #38d4ff, #1e40af 60%, #082f49);
  box-shadow: 0 0 70px rgba(56, 212, 255, 0.4);
  animation: float 18s ease-in-out infinite -6s;
  opacity: 0.7;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -25px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

main, header, footer { position: relative; z-index: 1; }

/* ==================== Header ==================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(11, 8, 32, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: var(--container); margin: 0 auto;
  gap: 16px;
}
.site-header__brand { display: flex; align-items: center; gap: 12px; }
.site-header__brand img { height: 32px; width: auto; }
.site-header__brand-text {
  font-family: "Pacifico", cursive;
  font-size: 22px; letter-spacing: 0.02em;
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-size: 13px; letter-spacing: 0.04em; color: var(--mute);
  transition: color .15s;
  font-weight: 500;
}
.site-nav a:hover, .site-nav a.active { color: #fff; }
.site-header__right { display: flex; align-items: center; gap: 12px; }
.btn-login {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background: var(--grad-warm);
  color: #fff;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 6px 20px -4px rgba(255, 77, 99, 0.5);
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -4px rgba(255, 77, 99, 0.7); }
.btn-login svg { width: 16px; height: 16px; }
.nav-toggle { display: none; }
@media (max-width: 880px) { .site-nav { display: none; } }

/* ==================== Hero ==================== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 160px 0 100px; overflow: hidden;
}
.hero__inner { position: relative; z-index: 2; width: 100%; text-align: center; }

.parent-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px; border-radius: 999px;
  background: rgba(22, 18, 38, 0.7); border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.parent-badge img { height: 18px; }
.parent-badge span { font-size: 11px; letter-spacing: 0.1em; color: var(--mute); }

.hero__script {
  font-family: "Pacifico", cursive;
  font-size: clamp(64px, 13vw, 200px);
  line-height: 1; letter-spacing: -0.01em;
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 80px rgba(255, 122, 69, 0.4);
  margin: 0 0 24px;
  animation: heroIn 1.2s ease-out;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__sub {
  font-size: clamp(14px, 1.6vw, 20px);
  letter-spacing: 0.4em; color: var(--mute);
  margin: 0 0 32px;
  font-weight: 500;
}
.hero__sub strong {
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.hero__lead {
  font-size: clamp(15px, 1.4vw, 18px);
  color: rgba(245, 236, 255, 0.78);
  max-width: 680px; margin: 0 auto 44px;
}
.hero__lead strong { color: #fff; font-weight: 600; }

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: 0.02em;
  transition: transform .15s, box-shadow .15s;
}
.btn-primary {
  background: var(--grad-warm);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(255, 77, 99, 0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -6px rgba(255, 77, 99, 0.7); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.16); color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.3); }
.btn svg { width: 16px; height: 16px; }

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--mute); font-size: 10px; letter-spacing: 0.35em;
}
.hero__scroll::before {
  content: ""; width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--orange), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 50% { opacity: 0.3; } }

/* ==================== Marquee ==================== */
.marquee {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  background: rgba(22, 18, 38, 0.5);
  backdrop-filter: blur(10px);
}
.marquee__track {
  display: inline-flex; gap: 48px;
  padding: 18px 0;
  white-space: nowrap;
  animation: marqueeRoll 40s linear infinite;
  font-size: 13px; letter-spacing: 0.3em; color: var(--mute);
  font-weight: 500;
}
.marquee__star { color: var(--orange); }
@keyframes marqueeRoll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ==================== Stats ==================== */
.stats-band { padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 780px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 32px 24px; border-radius: 20px;
  background: linear-gradient(180deg, rgba(22, 18, 38, 0.85), rgba(22, 18, 38, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: transform .25s, border-color .25s;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(255, 122, 69, 0.3); }
.stat__num {
  font-size: 48px; font-weight: 800; letter-spacing: -0.02em; line-height: 1;
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat__num small { font-size: 24px; margin-left: 4px; font-weight: 700; }
.stat__label { font-size: 11px; letter-spacing: 0.25em; color: var(--mute); margin-top: 14px; }
.stat__desc { font-size: 12px; color: var(--mute); margin-top: 6px; opacity: 0.75; }

/* ==================== 3本柱 (惑星カード) ==================== */
.pillars { padding: 120px 0 100px; }
.pillars__head { text-align: center; margin-bottom: 64px; }
.pillars__eyebrow {
  font-size: 12px; letter-spacing: 0.3em; color: var(--orange);
  font-weight: 600;
}
.pillars__title {
  font-family: "Pacifico", cursive;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.1; margin: 18px 0 16px; letter-spacing: -0.01em;
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pillars__sub { color: var(--mute); max-width: 640px; margin: 0 auto; font-size: 15px; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 980px) { .pillar-grid { grid-template-columns: 1fr; } }

.pillar {
  position: relative; padding: 40px 32px; border-radius: 28px;
  background: linear-gradient(180deg, rgba(22, 18, 38, 0.9), rgba(22, 18, 38, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  transition: transform .3s, border-color .3s, box-shadow .3s;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
  min-height: 420px;
  overflow: hidden;
}
.pillar::before {
  content: ""; position: absolute; inset: -2px;
  border-radius: 28px; padding: 2px;
  background: var(--pcolor, var(--grad-warm));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.pillar:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.pillar:hover::before { opacity: 1; }

.pillar__planet {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--pcolor-orb, var(--grad-warm));
  margin-bottom: 24px;
  box-shadow: 0 0 60px var(--pcolor-glow, rgba(255, 122, 69, 0.4)),
              inset -10px -10px 30px rgba(0, 0, 0, 0.4),
              inset 6px 6px 20px rgba(255, 255, 255, 0.2);
  position: relative;
}
.pillar__planet::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 50%);
}
.pillar__num { font-size: 11px; letter-spacing: 0.3em; color: var(--mute); margin-bottom: 14px; }
.pillar__title {
  font-size: 26px; font-weight: 700; margin: 0 0 14px; letter-spacing: -0.01em;
}
.pillar__title small {
  display: block; font-size: 11px; font-weight: 500;
  letter-spacing: 0.2em; color: var(--mute); margin-top: 8px;
}
.pillar__lead { color: rgba(245, 236, 255, 0.75); font-size: 14px; flex: 1; line-height: 1.8; }
.pillar__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 22px 0; }
.pillar__tags span {
  font-size: 10px; padding: 4px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--mute); letter-spacing: 0.05em;
}
.pillar__more {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: #fff; font-weight: 600;
}
.pillar__more svg { transition: transform .2s; }
.pillar:hover .pillar__more svg { transform: translateX(4px); }

.pillar--dc {
  --pcolor: linear-gradient(135deg, #38d4ff, #6a82fb);
  --pcolor-orb: radial-gradient(circle at 30% 30%, #38d4ff, #1e40af 65%, #082f49);
  --pcolor-glow: rgba(56, 212, 255, 0.5);
}
.pillar--gateway {
  --pcolor: linear-gradient(135deg, #a855f7, #ff4d63);
  --pcolor-orb: radial-gradient(circle at 30% 30%, #c084fc, #a855f7 60%, #6d28d9 85%, #2e1065);
  --pcolor-glow: rgba(168, 85, 247, 0.5);
}
.pillar--isoai {
  --pcolor: linear-gradient(135deg, #ff7a45, #fbbf24);
  --pcolor-orb: radial-gradient(circle at 30% 30%, #fbbf24, #ff7a45 60%, #b91c1c 85%, #450a0a);
  --pcolor-glow: rgba(255, 122, 69, 0.5);
}

/* ==================== Section common ==================== */
.section { padding: 120px 0; }
.section__head { margin-bottom: 48px; }
.section__eyebrow { font-size: 12px; letter-spacing: 0.3em; color: var(--orange); font-weight: 600; }
.section__title {
  font-size: clamp(32px, 4.5vw, 48px); font-weight: 800; line-height: 1.1;
  margin: 14px 0 16px; letter-spacing: -0.01em;
}
.section__title.script {
  font-family: "Pacifico", cursive; font-weight: 400;
  background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section__sub { color: var(--mute); max-width: 640px; }

/* ==================== News ==================== */
.news-list { list-style: none; padding: 0; margin: 40px 0 0; }
.news-list li {
  display: grid; grid-template-columns: 120px 140px 1fr 30px;
  gap: 16px; align-items: center;
  padding: 20px 20px; margin-bottom: 12px;
  border-radius: 16px;
  background: rgba(22, 18, 38, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .15s, border-color .15s, transform .15s;
}
.news-list li:hover { background: rgba(22, 18, 38, 0.8); border-color: rgba(255, 122, 69, 0.3); transform: translateX(4px); }
@media (max-width: 680px) { .news-list li { grid-template-columns: auto; gap: 6px; } }
.news-list time { color: var(--orange); font-size: 13px; letter-spacing: 0.05em; font-weight: 500; }
.news-list .tag {
  font-size: 10px; letter-spacing: 0.18em;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--mute); width: fit-content;
}
.news-list .tag-product { background: rgba(168, 85, 247, 0.15); border-color: rgba(168, 85, 247, 0.3); color: #d8b4ff; }
.news-list .tag-press { background: rgba(56, 212, 255, 0.15); border-color: rgba(56, 212, 255, 0.3); color: #93c5fd; }
.news-list .tag-partner { background: rgba(46, 232, 123, 0.15); border-color: rgba(46, 232, 123, 0.3); color: #a3f0a8; }
.news-list p { margin: 0; font-size: 14px; }
.news-list .arrow { color: var(--mute); text-align: right; }

/* ==================== CTA ==================== */
.cta-band { padding: 140px 0; text-align: center; }
.cta-band__inner { max-width: 720px; margin: 0 auto; }
.cta-band__title {
  font-family: "Pacifico", cursive;
  font-size: clamp(40px, 6vw, 72px); line-height: 1.1;
  margin: 0 0 22px; letter-spacing: -0.01em;
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-band__lead { color: var(--mute); font-size: 16px; margin: 0 0 36px; }

/* ==================== Footer ==================== */
.site-footer {
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(11, 8, 32, 0.6);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer__brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex: none;
  margin-bottom: 14px;
}
.footer__brand-name {
  font-family: "Pacifico", cursive; font-size: 20px;
  background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin: 4px 0 8px;
}
.footer__brand p { margin: 4px 0; color: var(--mute); font-size: 13px; }
.footer__brand .footer__company { color: #fff; font-weight: 600; }
.footer__parent {
  margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px; color: var(--mute); line-height: 1.7;
}
.footer__parent strong { color: #fff; }
.footer__col h4 {
  font-size: 11px; letter-spacing: 0.25em; color: var(--orange);
  margin: 0 0 16px; font-weight: 700;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; }
.footer__col li { margin: 8px 0; }
.footer__col a { font-size: 13px; color: rgba(245, 236, 255, 0.7); transition: color .15s; }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: var(--mute); letter-spacing: 0.05em;
}
.footer__bottom .status { display: inline-flex; align-items: center; gap: 8px; }
.footer__bottom .status::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green, #2ee87b); box-shadow: 0 0 10px var(--green, #2ee87b);
}

/* ==================== Inner page common ==================== */
.page-hero { padding: 200px 0 80px; position: relative; }
.page-hero__crumb { font-size: 12px; letter-spacing: 0.2em; color: var(--mute); margin-bottom: 18px; }
.page-hero__title {
  font-family: "Pacifico", cursive;
  font-size: clamp(40px, 7vw, 88px); line-height: 1.05; margin: 0 0 22px; letter-spacing: -0.02em;
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero__lead { font-size: 18px; color: rgba(245, 236, 255, 0.78); max-width: 720px; }

.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
@media (max-width: 780px) { .feat-grid { grid-template-columns: 1fr; } }
.feat {
  padding: 30px 26px; border-radius: 22px;
  background: linear-gradient(180deg, rgba(22, 18, 38, 0.85), rgba(22, 18, 38, 0.5));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}
.feat__icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-warm);
  display: grid; place-items: center; margin-bottom: 20px;
  box-shadow: 0 8px 20px -6px rgba(255, 77, 99, 0.5);
}
.feat__icon svg { width: 24px; height: 24px; color: #fff; }
.feat__title { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.feat__text { font-size: 13px; color: rgba(245, 236, 255, 0.72); margin: 0; line-height: 1.8; }

.spec-table {
  max-width: 840px; margin: 40px auto 0;
  background: linear-gradient(180deg, rgba(22, 18, 38, 0.85), rgba(22, 18, 38, 0.4));
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 22px;
  overflow: hidden; backdrop-filter: blur(10px);
}
.spec-row { display: grid; grid-template-columns: 200px 1fr; gap: 20px; padding: 18px 24px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.spec-row:last-child { border-bottom: 0; }
.spec-row dt { color: var(--orange); font-size: 13px; font-weight: 600; }
.spec-row dd { margin: 0; font-size: 14px; }

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr; } }
.price-card {
  padding: 36px 30px; border-radius: 26px;
  background: linear-gradient(180deg, rgba(22, 18, 38, 0.9), rgba(22, 18, 38, 0.4));
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  position: relative;
}
.price-card.featured {
  border: 1px solid rgba(255, 122, 69, 0.5);
  background: linear-gradient(180deg, rgba(255, 122, 69, 0.1), rgba(22, 18, 38, 0.6));
  box-shadow: 0 0 60px -10px rgba(255, 122, 69, 0.3);
}
.price-card__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 6px 14px; font-size: 10px; letter-spacing: 0.2em; font-weight: 700;
  background: var(--grad-warm); border-radius: 999px; color: #fff;
}
.price-card__name { font-size: 11px; letter-spacing: 0.25em; color: var(--mute); margin-bottom: 12px; font-weight: 600; }
.price-card__price { font-size: 42px; font-weight: 800; line-height: 1; }
.price-card__price small { font-size: 14px; color: var(--mute); font-weight: 400; margin-left: 6px; }
.price-card__desc { color: var(--mute); font-size: 13px; margin: 14px 0 22px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
.price-card li { padding: 8px 0 8px 26px; position: relative; font-size: 13px; color: rgba(245, 236, 255, 0.85); }
.price-card li::before {
  content: ""; position: absolute; left: 0; top: 13px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--grad-warm);
}
.price-card li::after {
  content: ""; position: absolute; left: 4px; top: 17px;
  width: 8px; height: 4px; border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

/* ==================== Legal pages ==================== */
.legal { padding: 160px 0 100px; max-width: 800px; margin: 0 auto; }
.legal h1 {
  font-family: "Pacifico", cursive; font-size: clamp(32px, 5vw, 56px); letter-spacing: -0.01em;
  margin: 0 0 8px;
  background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.legal .legal__updated { color: var(--mute); font-size: 13px; margin-bottom: 40px; }
.legal section { margin-bottom: 40px; }
.legal h2 { font-size: 19px; font-weight: 700; margin: 0 0 14px; color: var(--orange); }
.legal p { color: rgba(245, 236, 255, 0.8); line-height: 1.9; margin: 0 0 12px; }
.legal ul { padding-left: 1.4em; }
.legal ul li { margin: 8px 0; color: rgba(245, 236, 255, 0.8); }
.legal .legal__contact {
  padding: 22px 24px; border-radius: 16px;
  background: rgba(22, 18, 38, 0.8); border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ====================================================================
   Responsive 共通強化 (2026-05-22)
   全プロダクト共通: ~/SHARED_INFRA/responsive-guidelines.md 準拠
   ==================================================================== */
html, body { max-width: 100vw; }
html { overflow-x: hidden; }

/* iOS Safari の input 自動ズーム抑止 + タッチターゲット */
input, textarea, select {
  font-size: 16px;
  min-height: 44px;
}
.btn { min-height: 40px; }
.btn-primary, .btn-login { min-height: 44px; }

/* ナビ ハンバーガー (880px 以下、shared.js が toggle 制御) */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: rgba(22, 18, 38, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: #fff;
  z-index: 60;
}
.nav-toggle svg { width: 22px; height: 22px; }
.site-nav--mobile {
  position: fixed; inset: 0 0 0 auto;
  width: min(86vw, 320px);
  background: rgba(11, 8, 32, 0.96);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 70;
  padding: 88px 28px 32px;
  display: none;
  flex-direction: column;
  gap: 4px;
  transform: translateX(100%);
  transition: transform .25s ease;
  overflow-y: auto;
}
.site-nav--mobile.is-open { transform: translateX(0); display: flex; }
.site-nav--mobile a {
  padding: 14px 12px;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  min-height: 44px;
  display: flex; align-items: center;
}
.nav-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 65;
  display: none;
  -webkit-tap-highlight-color: transparent;
}
.nav-backdrop.is-open { display: block; }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .site-header__right .btn-login span { display: none; }
  .site-header__right .btn-login { padding: 10px 12px; }
  .site-header__brand img { height: 28px; }
  .site-header__brand-text { font-size: 14px; }
  .site-header__brand-text small { display: none; }
  .site-header__inner { gap: 8px; }
}

/* spec-row モバイル縦並び */
@media (max-width: 640px) {
  .spec-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 18px;
  }
  .spec-row dt { font-size: 12px; letter-spacing: 0.15em; }
  .container { padding: 0 18px; }
  .page-hero { padding: 140px 0 56px; }
  .section { padding: 72px 0; }
  .cta-band { padding: 88px 0; }
  .site-header__inner { padding: 12px 16px; }
  .site-header__brand-text { font-size: 18px; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  h1, h2 { word-break: keep-all; overflow-wrap: anywhere; }
  /* services/datacenter のインライン grid 2列固定上書き対策 */
  .feat-grid[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .hero { padding: 130px 0 70px; }
  .btn { padding: 13px 22px; font-size: 14px; }
  .pillar { padding: 32px 24px; min-height: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 10px; align-items: flex-start; }
}