:root {
  --yellow:      #FFD000;
  --yellow-deep: #F2B400;
  --navy:        #0E2A4D;
  --navy-deep:   #07182E;
  --navy-soft:   #1F4475;
  --ink:         #1A1F2A;
  --ink-sub:     #5A6273;
  --cream:       #FAF7F0;
  --cream-warm:  #F4EFE2;
  --line:        #E5DFCF;
  --white:       #FFFFFF;
  --danger:      #D84315;
  --coral:       #EE6352;
  --container: 1200px;
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.display { font-family: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif; font-weight: 900; letter-spacing: -0.01em; line-height: 1.25; }
.mono { font-family: 'Roboto Mono', monospace; letter-spacing: 0.04em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .container { padding: 0 20px; } }

/* Top Bar */
.topbar { background: var(--navy-deep); color: rgba(255,255,255,0.75); font-size: 12px; padding: 8px 0; letter-spacing: 0.02em; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar-inner > div { white-space: nowrap; }
.topbar-areas { display: flex; gap: 14px; flex-wrap: wrap; }
.topbar-areas span::before { content: "\25CF"; color: var(--yellow); margin-right: 5px; font-size: 8px; vertical-align: middle; }

/* Header */
header { background: var(--white); border-bottom: 1px solid var(--line); padding: 18px 0; position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.logo { display: flex; align-items: center; gap: 14px; }
.logo-mark { width: 56px; height: 56px; background: var(--yellow); border-radius: 12px; display: grid; place-items: center; position: relative; box-shadow: 0 2px 0 var(--yellow-deep); }
.logo-mark svg { width: 32px; height: 32px; }
.logo-text { line-height: 1.15; }
.spec-badge { display: inline-block; background: var(--coral); color: #fff; font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 700; font-size: 11px; letter-spacing: 0.08em; padding: 3px 10px; border-radius: 5px; margin-bottom: 5px; }
.logo-text .name { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: 22px; color: var(--navy); letter-spacing: 0.04em; }
.logo-text .tag { font-size: 11px; color: var(--ink-sub); letter-spacing: 0.12em; margin-top: 2px; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-tel-group { display: flex; align-items: stretch; gap: 18px; }
.header-tel { display: flex; flex-direction: column; justify-content: center; gap: 3px; color: var(--navy); }
.header-tel--mobile { padding-left: 18px; border-left: 1px solid var(--line); }
.header-tel .tel-label { align-self: flex-start; font-size: 10px; background: var(--navy); color: var(--white); padding: 3px 8px; border-radius: 4px; letter-spacing: 0.04em; font-weight: 700; white-space: nowrap; }
.header-tel .tel-label--mobile { background: var(--yellow-deep); color: var(--navy-deep); }
.header-tel--free .tel-num { font-family: 'Roboto Mono', monospace; font-weight: 700; font-size: 40px; color: var(--navy); letter-spacing: 0.01em; white-space: nowrap; line-height: 1.0; }
.header-tel--mobile .tel-num { font-family: 'Roboto Mono', monospace; font-weight: 700; font-size: 26px; color: var(--navy); letter-spacing: 0.01em; white-space: nowrap; line-height: 1.05; }
.nav-toggle { display: none; width: 48px; height: 48px; border-radius: 10px; background: var(--navy); color: #fff; align-items: center; justify-content: center; flex-direction: column; gap: 5px; flex-shrink: 0; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
nav.primary { background: var(--white); border-top: 1px solid var(--line); }
nav.primary ul { list-style: none; display: flex; justify-content: center; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
nav.primary ul li a { display: block; padding: 14px 22px; font-size: 14px; font-weight: 700; color: var(--navy); letter-spacing: 0.04em; border-bottom: 3px solid transparent; transition: border-color 0.15s, color 0.15s; }
nav.primary ul li a:hover { border-bottom-color: var(--yellow); }
nav.primary ul li a.current { border-bottom-color: var(--yellow); }
nav.primary ul li.nav-div { width: 1px; background: var(--line); margin: 10px 10px; align-self: stretch; }
@media (max-width: 1000px) {
  .header-tel--free .tel-num { font-size: 34px; }
  .header-tel--mobile, .tel-note { display: none; }
  .nav-toggle { display: flex; }
  nav.primary { display: none; }
  body.menu-open nav.primary { display: block; }
  nav.primary ul { flex-direction: column; padding: 6px 0; }
  nav.primary ul li.nav-div { display: none; }
  nav.primary ul li a { padding: 15px 24px; font-size: 15px; border-bottom: 1px solid var(--cream-warm); }
}
@media (max-width: 640px) { .topbar-areas { display: none; } }
@media (max-width: 560px) { .logo-text .name { font-size: 18px; } .logo-mark { width: 48px; height: 48px; } }

/* Section base */
section.block { padding: 90px 0; }
@media (max-width: 640px) { section.block { padding: 56px 0; } }
.section-head { text-align: center; margin-bottom: 48px; }
.section-eyebrow { display: inline-block; font-family: 'Roboto Mono', monospace; font-size: 12px; letter-spacing: 0.2em; color: var(--ink-sub); margin-bottom: 12px; }
.section-eyebrow::before { content: "\2014\2014 "; color: var(--yellow-deep); }
.section-eyebrow::after { content: " \2014\2014"; color: var(--yellow-deep); }
.section-title { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: clamp(28px, 4vw, 44px); color: var(--navy); letter-spacing: -0.005em; line-height: 1.3; }
.section-sub { margin-top: 16px; color: var(--ink-sub); font-size: 16px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* Page hero strip */
.page-hero { background: radial-gradient(ellipse 60% 80% at 90% 20%, rgba(255,208,0,0.12), transparent 60%), var(--navy); color: var(--white); padding: 56px 0; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 10px; background: repeating-linear-gradient(135deg, var(--yellow) 0 24px, var(--navy-deep) 24px 36px); }
.page-hero .crumb { font-family: 'Roboto Mono', monospace; font-size: 12px; letter-spacing: 0.15em; color: var(--yellow); margin-bottom: 10px; }
.page-hero h1 { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 900; font-size: clamp(28px, 4.5vw, 46px); line-height: 1.25; }
.page-hero p { margin-top: 14px; color: rgba(255,255,255,0.82); font-size: 15px; max-width: 640px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; background: var(--yellow); color: var(--navy-deep); padding: 11px 22px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.back-link:hover { transform: translateY(-1px); }

/* Footer */
footer { background: var(--navy-deep); color: rgba(255,255,255,0.6); padding: 60px 0 100px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo .name { color: var(--white); }
.footer-brand p { margin-top: 16px; font-size: 13px; line-height: 1.8; }
.footer-col h5 { color: var(--white); font-size: 13px; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.06em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a { font-size: 13px; color: rgba(255,255,255,0.6); }
.footer-col ul a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Mobile sticky bar */
.mobile-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; background: var(--navy-deep); padding: 10px 12px; box-shadow: 0 -4px 16px rgba(0,0,0,0.2); gap: 10px; }
.mobile-cta a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 8px; border-radius: 10px; font-weight: 700; font-size: 14px; }
.mobile-cta .m-tel { background: var(--yellow); color: var(--navy-deep); }
.mobile-cta .m-form { background: rgba(255,255,255,0.12); color: var(--white); border: 1px solid rgba(255,255,255,0.2); }
@media (max-width: 880px) { .mobile-cta { display: flex; } footer { padding-bottom: 100px; } }