:root {
  --red: #b60f31;
  --red-dark: #960c28;
  --pearl: #f7f6f5;
  --white: #ffffff;
  --text: #333333;
  --text-sub: #4d4a48;
  --text-muted: #807b77;
  --line: #e6e3e0;
  --max: 1080px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { color: inherit; }

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

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(247, 246, 245, 0.92);
  backdrop-filter: blur(8px);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px;
}
.logo { display: flex; align-items: center; }
.logo img { display: block; height: 36px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--red); }
.btn {
  display: inline-block;
  background: var(--red); color: var(--white);
  font-weight: 700; text-decoration: none;
  border: 0; border-radius: 999px; cursor: pointer;
  transition: background .2s;
}
.btn:hover { background: var(--red-dark); }
.nav .btn { padding: 9px 20px; font-size: 14px; color: var(--white); }
.nav .btn:hover { color: var(--white); }

/* Sections */
section { padding: 100px 0; }
.bg-pearl { background: var(--pearl); }
.eyebrow {
  margin: 0 0 12px;
  color: var(--red); font-size: 13px; font-weight: 700; letter-spacing: 2px;
}
.section-title {
  margin: 0 0 48px;
  font-size: 36px; font-weight: 700; letter-spacing: 1px; line-height: 1.5;
}
.accent { color: var(--red); }

/* Hero */
.hero { padding: 120px 0 130px; }
.hero h1 {
  margin: 0 0 32px;
  font-size: 52px; font-weight: 700; letter-spacing: 1px; line-height: 1.45;
}
.hero p { margin: 0 0 48px; max-width: 640px; color: var(--text-sub); font-size: 17px; line-height: 2.1; }
.hero .btn { padding: 18px 40px; font-size: 16px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 40px; align-items: center; }
.hero-grid h1 { font-size: clamp(36px, 4.4vw, 52px); white-space: nowrap; }
.hero-rabbit { display: block; width: 100%; height: auto; }

/* Issues */
.issues-list { list-style: none; margin: 0 0 56px; padding: 0; }
.issues-list li {
  display: flex; align-items: baseline; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
  font-size: 18px;
}
.issues-list .num { color: var(--red); font-size: 26px; font-weight: 700; letter-spacing: 1px; flex-shrink: 0; }
.issues-conclusion { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.9; }

/* Service */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--white); border-radius: 12px; padding: 36px 32px;
}
.card .num { color: var(--red); font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.card h3 { margin: 12px 0 16px; font-size: 21px; line-height: 1.6; }
.card p { margin: 0; color: var(--text-sub); font-size: 15px; }
.partner { margin-top: 56px; text-align: center; }
.partner-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-bottom: 24px; }
.partner-badges img { display: block; width: 224px; max-width: 100%; height: auto; }
.partner-note { margin: 0; text-align: center; font-size: 20px; }

/* Approach */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; list-style: none; margin: 0; padding: 0; }
.step { border-top: 3px solid var(--red); padding-top: 24px; }
.step .label { color: var(--red); font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.step h3 { margin: 12px 0 14px; font-size: 22px; line-height: 1.4; }
.step p { margin: 0; color: var(--text-sub); font-size: 14px; line-height: 1.95; }

/* Company */
.company-table { width: 100%; max-width: 760px; border-collapse: collapse; }
.company-table th, .company-table td {
  padding: 22px 0; border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top;
}
.company-table th { width: 160px; color: var(--text-muted); font-size: 14px; font-weight: 700; }
.company-table td { font-size: 15px; }

/* Contact */
.contact { background: var(--red); color: var(--white); }
.contact .eyebrow { color: rgba(255, 255, 255, .7); }
.contact .section-title { margin-bottom: 16px; }
.contact-lead { margin: 0 0 40px; color: rgba(255, 255, 255, .9); font-size: 15px; }
.contact-grid { max-width: 760px; }
.form-card { background: var(--white); color: var(--text); border-radius: 12px; padding: 40px; }
.field { margin-bottom: 24px; }
.field label { display: block; margin-bottom: 8px; font-weight: 700; }
.req { color: #ff5035; margin-left: 4px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid #d5d1cd; border-radius: 6px;
  font: inherit; font-size: 16px; background: var(--white); color: var(--text);
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--red); outline-offset: 1px; border-color: transparent; }
.field textarea { min-height: 180px; resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { margin: 0 0 20px; font-size: 14px; color: var(--text-sub); }
.consent a { color: var(--red); }
.cf-turnstile { margin-bottom: 20px; }
.form-card .btn { width: 100%; padding: 18px; font-size: 18px; }
.form-card .btn:disabled { opacity: .6; cursor: wait; }
.form-status { margin: 16px 0 0; font-size: 15px; font-weight: 700; }
.form-status.ok { color: #1d7a3a; }
.form-status.err { color: var(--red); }

/* Footer */
.site-footer { background: var(--pearl); padding: 40px 0; font-size: 14px; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { color: var(--red); }
.copyright { color: var(--text-muted); font-size: 12px; }

/* Privacy page */
.doc { padding: 80px 0 100px; }
.doc .container { max-width: 820px; }
.doc h1 { margin: 0 0 32px; font-size: 32px; }
.doc h2 { margin: 48px 0 16px; padding-left: 12px; border-left: 4px solid var(--red); font-size: 20px; line-height: 1.5; }
.doc p, .doc li { font-size: 15px; }
.doc ol, .doc ul { padding-left: 1.5em; }
.doc table { border-collapse: collapse; width: 100%; }
.doc th, .doc td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; font-size: 15px; }
.doc th { width: 140px; background: var(--pearl); }
.doc .meta { margin-top: 48px; text-align: right; color: var(--text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 220px; gap: 32px; }
}
@media (max-width: 640px) {
  section { padding: 72px 0; }
  .container { padding: 0 16px; }
  .nav a:not(.btn) { display: none; }
  .site-header .container { height: 72px; }
  .logo img { height: 30px; }
  .hero { padding: 72px 0 80px; }
  .hero h1 { font-size: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-grid h1 { font-size: 32px; white-space: normal; }
  .hero-rabbit { order: -1; width: 120px; margin: 0 0 24px auto; }
  .partner-badges img { width: calc(50% - 12px); }
  .hero p { font-size: 15px; }
  .section-title { font-size: 28px; margin-bottom: 32px; }
  .issues-list li { font-size: 16px; gap: 16px; }
  .issues-conclusion { font-size: 19px; }
  .partner-note { font-size: 16px; }
  .steps { grid-template-columns: 1fr; }
  .company-table th { width: 100px; }
  .form-card { padding: 24px; }
  .doc { padding: 56px 0 72px; }
  .doc h1 { font-size: 26px; }
  .doc th { width: 96px; }
}