/* http://meyerweb.com/eric/tools/css/reset/
   v2.0 | 20110126
   License: none (public domain)
*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

:root {
  --bg: #FDFDFB;
  --bg-tint: #F6F6F2;
  --surface: #FFFFFF;
  --ink-900: #101E36;
  --ink-700: #2B3A55;
  --ink-500: #66738C;
  --line: #E4E4DE;
  --line-navy: #D8DDE6;
  --gold: #B8922D;
  --gold-soft: #E9CE7A;
  --state-zen: #C9A227;
  --state-han: #4A7DBF;
  --state-han-soft: #8FB8E8;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  --font-latin: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --space-7: 144px;
  --space-8: 200px;
  --radius-sm: 4px;
  --radius: 8px;
  --shadow-mock: 0 8px 32px rgba(16, 30, 54, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink-700);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.02em;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}
@media screen and (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
}

.container-narrow {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}
@media screen and (max-width: 767px) {
  .container-narrow {
    padding-left: 20px;
    padding-right: 20px;
  }
}

.section {
  padding-top: clamp(96px, 13vw, 200px);
  padding-bottom: clamp(96px, 13vw, 200px);
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(24px, 4vw, 40px);
}
@media screen and (max-width: 767px) {
  .section-eyebrow {
    gap: 14px;
  }
}
.section-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--gold);
  flex-shrink: 0;
}
.section-eyebrow::after {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--line-navy);
  flex-shrink: 0;
}
.section-eyebrow .sec-label {
  color: var(--ink-900);
  font-family: var(--font-latin);
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 700;
  letter-spacing: 0.3em;
  line-height: 1.4;
  text-transform: uppercase;
}
.section-eyebrow .sec-num {
  order: 1;
  color: var(--ink-500);
  font-family: var(--font-latin);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1.4;
}

.section-title {
  color: var(--ink-900);
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--ink-900);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  padding: 20px 44px;
  border-radius: 6px;
  transition: background 0.25s ease;
}
.btn-primary:hover {
  background: var(--ink-700);
}
.btn-primary:hover .arrow {
  transform: translateX(4px);
}
.btn-primary .arrow {
  font-family: var(--font-latin);
  font-weight: 400;
  transition: transform 0.25s ease;
}
.btn-primary.on-dark {
  background: #FFFFFF;
  color: var(--ink-900);
}
.btn-primary.on-dark:hover {
  background: var(--bg-tint);
}

.cta-note {
  color: var(--ink-500);
  font-size: 13px;
  line-height: 1.8;
  margin-top: var(--space-2);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 253, 251, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.nav-logo .nav-tag {
  margin-left: 10px;
  color: var(--ink-500);
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 600px) {
  .nav-logo .nav-tag {
    display: none;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
@media screen and (max-width: 767px) {
  .nav-links {
    gap: 20px;
  }
}
.nav-links a {
  position: relative;
  color: var(--ink-700);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding-top: 4px;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after {
  transform: scaleX(1);
}
@media screen and (max-width: 767px) {
  .nav-links a.hide-sm {
    display: none;
  }
}

.footer {
  border-top: 1px solid var(--line);
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
  font-size: 13px;
  color: var(--ink-500);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
@media screen and (max-width: 767px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

.footer-logo {
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.footer-logo .footer-en {
  margin-left: 12px;
  color: var(--ink-500);
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.footer-env {
  line-height: 1.8;
}

.footer-copy {
  line-height: 1.8;
}