:root {
  --bg: #0a0a0a;
  --card: #1c1c1c;
  --card-alt: #161616;
  --accent: #e8721c;
  --accent-light: #f0904a;
  --gold: #f0c040;
  --text: #e8e8e8;
  --text-light: #a0a0a0;
  --border: #333333;
  --white: #ffffff;
  --font-heading: "Oswald", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1px 1px at 5% 15%, rgba(255,255,255,0.55) 50%, transparent 50%),
    radial-gradient(1px 1px at 15% 45%, rgba(255,255,255,0.35) 50%, transparent 50%),
    radial-gradient(1px 1px at 25% 75%, rgba(255,255,255,0.5) 50%, transparent 50%),
    radial-gradient(1px 1px at 35% 20%, rgba(255,255,255,0.4) 50%, transparent 50%),
    radial-gradient(1px 1px at 45% 60%, rgba(255,255,255,0.6) 50%, transparent 50%),
    radial-gradient(1px 1px at 55% 10%, rgba(255,255,255,0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 65% 50%, rgba(255,255,255,0.45) 50%, transparent 50%),
    radial-gradient(1px 1px at 75% 85%, rgba(255,255,255,0.4) 50%, transparent 50%),
    radial-gradient(1px 1px at 85% 30%, rgba(255,255,255,0.55) 50%, transparent 50%),
    radial-gradient(1px 1px at 95% 65%, rgba(255,255,255,0.35) 50%, transparent 50%),
    radial-gradient(1px 1px at 10% 90%, rgba(255,255,255,0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 40% 40%, rgba(255,255,255,0.4) 50%, transparent 50%),
    radial-gradient(1px 1px at 60% 75%, rgba(255,255,255,0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 80% 5%, rgba(255,255,255,0.45) 50%, transparent 50%),
    radial-gradient(1px 1px at 90% 95%, rgba(255,255,255,0.4) 50%, transparent 50%),
    radial-gradient(1px 1px at 20% 5%, rgba(255,255,255,0.3) 50%, transparent 50%);
  background-size: 140px 100px;
  background-attachment: fixed;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* ===== Header ===== */
header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  max-width: 1080px;
  margin: 0 auto;
}
.logo { display: flex; flex-direction: column; min-width: 0; }
.logo-main { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: var(--accent); letter-spacing: 0.03em; white-space: nowrap; }
.logo-sub { font-size: 11px; color: var(--text-light); font-family: var(--font-heading); letter-spacing: 0.1em; margin-top: 2px; text-transform: uppercase; white-space: nowrap; }

.header-right { display: flex; align-items: center; gap: 28px; }
.header-nav { display: flex; gap: 24px; }
.header-nav a { font-size: 14px; font-weight: 500; color: var(--text); }
.header-nav a:hover { color: var(--gold); }
.header-divider { width: 1px; height: 22px; background: var(--border); }
.header-cta {
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 6px;
  background: var(--accent);
  color: #1a1005;
  white-space: nowrap;
}
.header-cta:hover { background: var(--accent-light); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 600; }
.hamburger span { width: 26px; height: 2px; background: var(--accent); display: block; transition: 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 400;
}
.menu-overlay.active { display: block; }

.mobile-menu {
  display: none;
  position: fixed;
  top: 84px;
  right: 0;
  width: 260px;
  height: calc(100% - 84px);
  background: #111111;
  border-left: 1px solid var(--border);
  z-index: 500;
  padding: 30px;
  flex-direction: column;
  gap: 22px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a { font-size: 15px; font-weight: 500; color: var(--text); }

/* ===== Hero ===== */
.hero { position: relative; padding: 90px 0 80px; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: rgba(232,114,28,0.10);
  top: -160px; right: -100px;
}
.hero-inner { position: relative; max-width: 1080px; margin: 0 auto; padding: 0 32px; }
.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  opacity: 0;
  animation: heroFade 0.7s ease forwards;
  animation-delay: 0.1s;
}
.hero-title {
  font-size: 40px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.5;
  margin: 0 0 18px;
  opacity: 0;
  animation: heroFade 0.7s ease forwards;
  animation-delay: 0.25s;
}
.hero-title span { color: var(--accent); }
.hero-sub {
  font-size: 15px;
  color: var(--text-light);
  margin: 0 0 30px;
  max-width: 560px;
  opacity: 0;
  animation: heroFade 0.7s ease forwards;
  animation-delay: 0.4s;
}
.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 34px;
  opacity: 0;
  animation: heroFade 0.7s ease forwards;
  animation-delay: 0.55s;
}
.btn { display: inline-block; padding: 15px 30px; border-radius: 6px; font-size: 15px; font-weight: 500; }
.btn-accent { background: var(--accent); color: #1a1005; }
.btn-accent:hover { background: var(--accent-light); }
.btn-outline { border: 1px solid rgba(255,255,255,0.3); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.08); }
.btn-full { width: 100%; text-align: center; border: none; cursor: pointer; font-family: inherit; }

.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; opacity: 0; animation: heroFade 0.7s ease forwards; animation-delay: 0.7s; }
.hero-tags span { background: rgba(255,255,255,0.08); color: var(--text); font-size: 12px; padding: 7px 14px; border-radius: 20px; }
.hero-tags span.accent { background: var(--accent); color: #1a1005; font-weight: 500; }
.hero-tags span.gold { background: var(--gold); color: #3a2b00; font-weight: 500; }

@keyframes heroFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ===== Page header ===== */
.page-header { padding: 54px 0; text-align: center; border-bottom: 1px solid var(--border); }
.page-header .eyebrow { font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; }
.page-header h1 { font-size: 28px; color: var(--white); font-weight: 700; margin: 0; }
.breadcrumb { font-size: 13px; color: var(--text-light); margin-top: 12px; }
.breadcrumb a { color: var(--accent); }

/* ===== Section common ===== */
section { padding: 72px 0; }
.section-eyebrow { font-family: var(--font-heading); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); text-align: center; margin-bottom: 10px; }
.section-title { font-size: 26px; font-weight: 700; text-align: center; margin: 0 0 14px; color: var(--white); }
.section-desc { font-size: 14px; color: var(--text-light); text-align: center; max-width: 560px; margin: 0 auto 50px; }
.bg-alt { background: rgba(255,255,255,0.02); }

/* feature-grid */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
.feature-item { padding: 26px 10px; background: var(--card); border-radius: 10px; border: 1px solid var(--border); }
.feature-num { font-family: var(--font-heading); font-size: 32px; font-weight: 600; color: var(--accent); }
.feature-item.stat-gold .feature-num { color: var(--gold); }
.feature-num span { font-size: 15px; margin-left: 2px; }
.feature-label { font-size: 13px; color: var(--text-light); margin-top: 6px; }

/* appeal-grid */
.appeal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.appeal-card { border-top: 3px solid var(--accent); border-radius: 0 0 10px 10px; padding: 26px 22px; background: var(--card); border-left: 1px solid var(--border); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.appeal-icon { font-family: var(--font-heading); color: var(--accent); font-size: 13px; letter-spacing: 0.08em; margin-bottom: 10px; }
.appeal-card h3 { font-size: 17px; margin: 0 0 10px; color: var(--white); }
.appeal-card p { font-size: 13.5px; color: var(--text-light); margin: 0; }

/* reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { border: 1px solid var(--border); border-radius: 10px; padding: 22px; background: var(--card); }
.review-stars { color: var(--gold); font-size: 14px; margin-bottom: 10px; letter-spacing: 2px; }
.review-card p { font-size: 13.5px; color: var(--text); margin: 0 0 14px; }
.review-name { font-size: 12.5px; color: var(--text-light); font-weight: 500; }

/* cta band */
.cta-section { background: var(--accent); padding: 58px 0; text-align: center; }
.cta-section h2 { color: #1a1005; font-size: 24px; margin: 0 0 10px; }
.cta-section p { color: #3a2405; font-size: 14px; margin: 0 0 26px; }
.cta-section .btn-outline { border-color: rgba(26,16,5,0.5); color: #1a1005; }
.cta-section .btn-outline:hover { background: rgba(26,16,5,0.08); }

/* table */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.price-table, .about-table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 13px; background: var(--card); }
.price-table th, .price-table td, .about-table th, .about-table td { border: 1px solid var(--border); padding: 12px 14px; text-align: center; color: var(--text); }
.price-table th { background: #262626; color: var(--accent); font-weight: 500; }
.about-table th { background: #232323; width: 170px; font-weight: 500; color: var(--accent); text-align: left; }
.about-table td { text-align: left; }
.price-table td:first-child { text-align: left; }

/* service list */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 60px; }
.service-block:nth-child(even) .service-text { order: 2; }
.service-text .num { font-family: var(--font-heading); color: var(--accent); font-size: 14px; letter-spacing: 0.1em; }
.service-text h3 { font-size: 21px; color: var(--white); margin: 8px 0 12px; }
.service-text p { font-size: 14px; color: var(--text-light); }
.service-img { background: var(--card); border: 1px solid var(--border); border-radius: 10px; height: 200px; display: flex; align-items: center; justify-content: center; color: var(--text-light); font-size: 13px; }

/* campaign banner */
.campaign-banner { background: var(--card); border: 1px solid var(--accent); border-radius: 10px; padding: 26px 28px; }
.campaign-banner .tag { display: inline-block; background: var(--accent); color: #1a1005; font-size: 11px; font-weight: 500; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; }
.campaign-banner h3 { color: var(--white); font-size: 19px; margin: 0 0 10px; }
.campaign-banner p { color: var(--text-light); font-size: 14px; margin: 0 0 6px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; }
.contact-info-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 30px; }
.contact-info-card h3 { color: var(--accent); font-size: 17px; margin: 0 0 16px; }
.contact-info-card ul li { font-size: 13.5px; margin-bottom: 12px; color: var(--text); }
.contact-info-card ul li strong { display: block; font-size: 12px; color: var(--text-light); font-weight: 500; margin-bottom: 2px; }
.contact-form label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--accent); }
.contact-form .form-row { margin-bottom: 18px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: 14px; background: var(--card); color: var(--text);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.form-success { background: var(--card); border: 1px solid var(--accent); border-radius: 10px; padding: 30px; text-align: center; color: var(--text); font-size: 14px; }

/* footer */
footer { background: #050505; color: var(--text-light); padding: 50px 0 24px; font-size: 13px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer-logo { font-family: var(--font-heading); color: var(--accent); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.footer-grid h4 { color: var(--white); font-size: 13px; margin: 0 0 14px; letter-spacing: 0.05em; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 18px; text-align: center; color: #666; font-size: 12px; }

/* fade */
.appeal-card, .review-card, .fade-up { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.appeal-card.visible, .review-card.visible, .fade-up.visible { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 900px) {
  .header-nav, .header-divider, .header-cta { display: none; }
  .hamburger { display: flex; }
  .header-inner { height: 72px; padding: 0 24px; }
  .mobile-menu { top: 72px; height: calc(100% - 72px); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .appeal-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .service-block:nth-child(even) .service-text { order: 0; }
  .footer-grid { grid-template-columns: 1fr; }

  .about-table, .about-table tbody, .about-table tr, .about-table th, .about-table td {
    display: block; width: 100%;
  }
  .about-table th { font-size: 12px; padding: 8px 14px; border-bottom: 1px solid var(--border); }
  .about-table td { padding: 12px 14px; }
}
@media (max-width: 480px) {
  .appeal-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 28px; }
  .hero-cta { flex-direction: column; }
}