:root {
  --color-ink: #53363d;
  --color-ink-soft: #6d5158;
  --color-brand: #f58ca5;
  --color-brand-soft: #ffdce5;
  --color-brand-pale: #fff8fb;
  --color-blue: #6eb5d0;
  --color-blue-dark: #246780;
  --color-mint: #7bc7c1;
  --color-yellow: #ffd166;
  --color-white: #ffffff;
  --color-page: #fffafc;
  --color-border: #efd8df;
  --color-border-strong: #e9b8c5;
  --shadow-card: 0 14px 34px rgba(83, 54, 61, 0.09);
  --shadow-small: 0 5px 16px rgba(83, 54, 61, 0.08);
  --radius-small: 0.75rem;
  --radius-medium: 1.25rem;
  --radius-large: 2rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --text-small: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-title: clamp(2rem, 4vw, 3.65rem);
  --text-section: clamp(1.55rem, 2.4vw, 2.25rem);
  --content-max: 72rem;
  --content-narrow: 50rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 20rem; color: var(--color-ink); background: var(--color-page); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif; font-size: var(--text-body); line-height: 1.75; }
a { color: var(--color-blue-dark); text-underline-offset: 0.18em; }
a:hover { color: var(--color-ink); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--color-blue); outline-offset: 3px; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; }

.skip-link { position: absolute; z-index: 10; left: var(--space-3); top: -5rem; padding: var(--space-2) var(--space-3); border-radius: var(--radius-small); background: var(--color-ink); color: var(--color-white); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: var(--space-3); }
.site-header { position: relative; z-index: 2; border-bottom: 1px solid rgba(83, 54, 61, 0.08); background: rgba(255, 255, 255, 0.93); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); width: min(100% - 2.5rem, var(--content-max)); margin: 0 auto; padding: 1rem 0; }
.brand { color: var(--color-ink); font-size: 1.1rem; font-weight: 800; letter-spacing: -0.025em; text-decoration: none; white-space: nowrap; }
.brand-mark { display: inline-block; width: 0.6rem; height: 0.6rem; margin-right: 0.35rem; border-radius: 50%; background: var(--color-brand); vertical-align: 0.08em; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.2rem; }
.site-nav a { padding: 0.42rem 0.72rem; border-radius: 999px; color: var(--color-ink); font-size: var(--text-small); font-weight: 700; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--color-brand-pale); color: var(--color-ink); }
.site-nav .nav-contact { background: var(--color-ink); color: var(--color-white); }
.site-nav .nav-contact:hover { background: var(--color-brand); color: var(--color-ink); }

main { overflow: hidden; }
.container { width: min(100% - 2.5rem, var(--content-max)); margin: 0 auto; }
.section { padding: var(--space-7) 0; }
.section-soft { background: var(--color-brand-pale); }
.eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; margin: 0 0 var(--space-2); color: var(--color-blue-dark); font-size: var(--text-small); font-weight: 800; letter-spacing: 0.08em; }
.eyebrow::before { width: 1.5rem; height: 0.12rem; border-radius: 999px; background: var(--color-mint); content: ""; }
.section-heading { max-width: 42rem; margin: 0 0 var(--space-4); font-size: var(--text-section); line-height: 1.3; letter-spacing: -0.03em; }
.section-lead { max-width: 44rem; margin: 0; color: var(--color-ink-soft); font-size: var(--text-lead); }

.hero { position: relative; padding: clamp(3.5rem, 8vw, 7rem) 0 var(--space-7); background: linear-gradient(130deg, var(--color-white) 0%, var(--color-brand-pale) 100%); }
.hero::after { position: absolute; right: -8rem; bottom: -8rem; width: 20rem; height: 20rem; border-radius: 50%; background: rgba(123, 199, 193, 0.16); content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr); align-items: center; gap: clamp(2.5rem, 7vw, 6rem); }
.hero-copy { padding: var(--space-3) 0; }
.hero h1 { margin: 0; font-size: var(--text-title); line-height: 1.18; letter-spacing: -0.05em; }
.hero-text { max-width: 38rem; margin: var(--space-4) 0 0; color: var(--color-ink-soft); font-size: var(--text-lead); }
.hero-actions, .card-actions, .article-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: 0.7rem 1.1rem; border: 1px solid transparent; border-radius: 999px; font-weight: 800; line-height: 1.2; text-decoration: none; transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--color-ink); color: var(--color-white); }
.button-primary:hover { background: var(--color-brand); color: var(--color-ink); }
.button-secondary { border-color: var(--color-border-strong); background: var(--color-white); color: var(--color-ink); }
.button-secondary:hover { border-color: var(--color-brand); background: var(--color-brand-pale); }
.hero-guide { position: relative; width: min(100%, 31rem); justify-self: end; padding: clamp(1.25rem, 4vw, 2.4rem); border: 1px solid var(--color-border); border-radius: var(--radius-large); background: var(--color-white); box-shadow: var(--shadow-card); }
.guide-label { position: absolute; top: 1rem; left: 1rem; padding: 0.35rem 0.7rem; border-radius: 999px; background: var(--color-brand-pale); color: var(--color-ink); font-size: 0.78rem; font-weight: 800; }
.guide-image { display: block; width: 100%; height: auto; object-fit: contain; margin-top: 1.35rem; }
.guide-caption { margin: var(--space-3) 0 0; text-align: center; color: var(--color-ink-soft); font-size: var(--text-small); }
.guide-caption strong { color: var(--color-ink); }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-5); }
.product-card, .article-card, .contact-card, .policy-card { border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-white); box-shadow: var(--shadow-small); }
.product-card { display: flex; flex-direction: column; padding: var(--space-5); }
.product-card.featured { border-color: var(--color-border-strong); background: linear-gradient(145deg, var(--color-white), var(--color-brand-pale)); }
.product-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.status { display: inline-flex; align-items: center; padding: 0.28rem 0.65rem; border-radius: 999px; background: #e9f7f5; color: #236b66; font-size: 0.78rem; font-weight: 800; }
.status-planned { background: #fff4d4; color: #775400; }
.product-symbol { display: grid; width: 2.7rem; height: 2.7rem; place-items: center; border-radius: 0.9rem; background: var(--color-brand-pale); color: var(--color-ink); font-size: 1.25rem; font-weight: 800; }
.product-card h3, .article-card h3 { margin: var(--space-3) 0 var(--space-2); font-size: 1.3rem; line-height: 1.35; }
.product-card h3 a { color: var(--color-ink); text-decoration: none; }
.product-card h3 a:hover { text-decoration: underline; }
.product-card p, .article-card p { margin: 0; color: var(--color-ink-soft); }
.card-actions { margin-top: auto; padding-top: var(--space-4); }
.text-link { color: var(--color-blue-dark); font-size: var(--text-small); font-weight: 800; }
.text-link::after { margin-left: 0.3rem; content: "→"; }

.article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-5); }
.article-card { display: flex; flex-direction: column; padding: var(--space-5); }
.article-actions { margin-top: auto; padding-top: var(--space-5); }
.article-date { color: var(--color-blue-dark); font-size: var(--text-small); font-weight: 800; }
.contact-band { padding: var(--space-6); border-radius: var(--radius-large); background: var(--color-ink); color: var(--color-white); }
.contact-band .eyebrow { color: #d8f1ee; }
.contact-band .section-heading, .contact-band .section-lead { margin-bottom: 0; color: inherit; }
.contact-band .section-lead { color: #f6e6ea; }
.contact-band-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.contact-band .button-primary { background: var(--color-brand); color: var(--color-ink); }
.contact-band .button-primary:hover { background: var(--color-yellow); }

.page-hero { padding: var(--space-6) 0; background: var(--color-brand-pale); }
.page-hero h1 { max-width: 20ch; margin: 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.22; letter-spacing: -0.04em; }
.page-hero p { max-width: 42rem; margin: var(--space-3) 0 0; color: var(--color-ink-soft); }
.page-content { width: min(100% - 2.5rem, var(--content-narrow)); margin: var(--space-6) auto; }
.contact-card, .policy-card { padding: clamp(1.5rem, 4vw, 3rem); }
.form-intro { margin: 0 0 var(--space-5); color: var(--color-ink-soft); }
.form-field { margin-bottom: var(--space-4); }
label { display: block; margin-bottom: 0.45rem; font-weight: 800; }
.field-note { margin: 0.25rem 0 0; color: var(--color-ink-soft); font-size: var(--text-small); }
input, textarea, select { display: block; width: 100%; border: 1px solid var(--color-border-strong); border-radius: var(--radius-small); background: var(--color-white); color: var(--color-ink); padding: 0.8rem 0.9rem; }
input::placeholder, textarea::placeholder { color: #9d858b; }
textarea { min-height: 11rem; resize: vertical; }
.form-submit { border: 0; cursor: pointer; }
.business-info { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.business-info h2 { margin: 0 0 var(--space-4); font-size: 1.3rem; }
.business-info dl { display: grid; grid-template-columns: 8rem 1fr; gap: var(--space-2) var(--space-4); margin: 0; }
.business-info dt { font-weight: 800; }
.business-info dd { margin: 0; color: var(--color-ink-soft); overflow-wrap: anywhere; }
.policy-card h2 { margin: var(--space-5) 0 var(--space-2); font-size: 1.25rem; line-height: 1.4; }
.policy-card h2:first-of-type { margin-top: var(--space-4); }
.policy-card p, .policy-card li { color: var(--color-ink-soft); }
.policy-card ul { padding-left: 1.25rem; }
.updated { margin: 0; color: var(--color-ink-soft); font-size: var(--text-small); }

.site-footer { margin-top: var(--space-7); padding: var(--space-5) 0; border-top: 1px solid var(--color-border); background: var(--color-white); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); width: min(100% - 2.5rem, var(--content-max)); margin: 0 auto; }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.footer-nav a { color: var(--color-ink-soft); font-size: var(--text-small); font-weight: 700; }
.copyright { margin: 0; color: var(--color-ink-soft); font-size: var(--text-small); }

@media (max-width: 760px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: var(--space-2); }
  .site-nav { justify-content: flex-start; }
  .hero-grid, .article-list { grid-template-columns: 1fr; }
  .hero-guide { justify-self: stretch; width: min(100%, 28rem); }
  .product-grid { grid-template-columns: 1fr; }
  .contact-band-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .container, .header-inner, .footer-inner, .page-content { width: min(100% - 2rem, var(--content-max)); }
  .section { padding: var(--space-6) 0; }
  .hero { padding-top: var(--space-6); }
  .hero-actions, .card-actions, .article-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .product-card { padding: var(--space-4); }
  .contact-band { padding: var(--space-5); }
  .business-info dl { grid-template-columns: 1fr; gap: 0.2rem; }
  .business-info dd { margin-bottom: var(--space-2); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}