/* ==========================================================================
   下層ページ共通スタイル
   LP（インライン<style>）のデザイントークンを踏襲しつつ、
   下層は外部CSSに集約して各ページの重複を避ける。
   ========================================================================== */
:root {
  --color-bg-light: #F4F5F7;
  --color-bg-warm: #ECEDF2;
  --color-bg-dark: #0a0a0a;
  --color-bg-white: #ffffff;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #444441;
  --color-text-muted: #5F5E5A;
  --color-text-tertiary: #888780;
  --color-text-on-dark: #FAFAF8;
  --color-text-on-dark-muted: #B4B2A9;
  --color-border-light: #E3E4E8;
  --color-border-dash-dark: #444441;
  --color-accent: #CCFF00;
  --font-sans: 'Hiragino Sans', 'Yu Gothic UI', 'Noto Sans JP', sans-serif;
  --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
  --max-width: 860px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  background: var(--color-bg-light);
  text-wrap: pretty;
}
/* 文節折り返しは短い見出しのみ（長文に掛けると行末が不自然に余る） */
h1, h2, h3, .card__title, .cta__title { word-break: auto-phrase; }

/* Header */
.doc-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.9);
  border-bottom: 1px solid var(--color-border-light);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.doc-header__inner {
  max-width: 960px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.doc-header__logo { height: 22px; width: auto; display: block; }
.doc-header__nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 20px; align-items: center; }
.doc-header__nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--color-text-tertiary); text-decoration: none; white-space: nowrap;
}
.doc-header__nav a:hover { color: var(--color-text-primary); }

/* Layout */
.page { max-width: var(--max-width); margin: 0 auto; padding: 52px 24px 72px; }
.page__breadcrumb { font-size: 13px; color: var(--color-text-tertiary); margin: 0 0 26px; }
.page__breadcrumb a { color: var(--color-text-tertiary); }
.page__label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  color: var(--color-text-tertiary); text-transform: uppercase; margin: 0 0 12px;
}
h1 {
  font-size: 30px; line-height: 1.5; font-weight: 600;
  color: var(--color-text-primary); margin: 0 0 18px; letter-spacing: 0.01em;
}
.page__lead {
  margin: 0 0 40px; padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border-light);
}
.page h2 {
  font-size: 21px; line-height: 1.6; font-weight: 600; color: var(--color-text-primary);
  margin: 52px 0 16px; padding-left: 14px; border-left: 3px solid var(--color-accent);
  scroll-margin-top: 70px;
}
.page h3 { font-size: 17px; font-weight: 600; color: var(--color-text-primary); margin: 30px 0 10px; }
.page p { margin: 0 0 24px; }
.page a { color: var(--color-text-primary); text-underline-offset: 3px; }
.page ul, .page ol { margin: 0 0 24px; padding-left: 22px; }
.page li { margin-bottom: 8px; }
.note { font-size: 13px; line-height: 1.75; color: var(--color-text-muted); }

/* Table */
.table-wrap { overflow-x: auto; margin: 0 0 24px; }
table.data {
  width: 100%; min-width: 480px; border-collapse: collapse;
  font-size: 14.5px; background: var(--color-bg-white);
}
table.data th, table.data td {
  text-align: left; padding: 11px 14px;
  border: 1px solid var(--color-border-light); vertical-align: top;
}
table.data th { font-weight: 600; color: var(--color-text-primary); background: #FAFAFB; white-space: nowrap; }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data .is-ran { background: #FBFFE8; font-weight: 600; color: var(--color-text-primary); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; padding: 0; margin: 0 0 24px; list-style: none; }
.card {
  background: var(--color-bg-white); border: 1px solid var(--color-border-light);
  border-radius: 10px; padding: 22px 22px 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card--link { padding: 0; }
.card--link a { display: block; padding: 22px 22px 20px; color: inherit; text-decoration: none; height: 100%; }
.card--link:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,10,10,0.08); }
.card__label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--color-text-tertiary); margin: 0 0 8px;
}
.card__title { font-size: 16.5px; line-height: 1.6; font-weight: 600; color: var(--color-text-primary); margin: 0 0 8px; }
.card__desc { font-size: 13.5px; line-height: 1.8; color: var(--color-text-muted); margin: 0 0 10px; }
.card__price { font-size: 20px; font-weight: 600; color: var(--color-text-primary); font-variant-numeric: tabular-nums; }
.card__price small { font-size: 12px; font-weight: 400; color: var(--color-text-muted); margin-left: 2px; }

/* Figures */
.page figure { margin: 30px 0; }
.page figure img {
  width: 100%; height: auto; display: block; border-radius: 8px;
  border: 1px solid var(--color-border-light); background: var(--color-bg-white);
}
.page figcaption {
  font-size: 13px; line-height: 1.75; color: var(--color-text-muted);
  margin-top: 10px; padding-left: 12px; border-left: 2px solid var(--color-border-light);
}
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 30px 0; }
.gallery figure { margin: 0; }

/* CTA */
.cta {
  margin: 56px 0 0; padding: 30px 30px 32px;
  background: var(--color-bg-dark); color: var(--color-text-on-dark-muted); border-radius: 10px;
}
.cta__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; color: var(--color-accent); margin: 0 0 12px; }
.cta__title { font-size: 19px; font-weight: 600; color: var(--color-text-on-dark); margin: 0 0 10px; line-height: 1.6; }
.cta__desc { font-size: 14.5px; margin: 0 0 20px; }
.cta__buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.cta__btn { display: inline-block; padding: 12px 24px; border-radius: 999px; font-size: 14.5px; font-weight: 600; text-decoration: none; }
.cta__btn--primary { background: var(--color-accent); color: #1a1a1a; }
.cta__btn--primary:hover { opacity: 0.85; }
.cta__btn--secondary { color: var(--color-text-on-dark); border: 1px solid var(--color-border-dash-dark); }
.cta__btn--secondary:hover { border-color: var(--color-text-on-dark); }

/* Footer */
.doc-footer { background: var(--color-bg-dark); color: var(--color-text-on-dark-muted); padding: 44px 24px; }
.doc-footer__inner { max-width: 960px; margin: 0 auto; }
.doc-footer__logo { height: 26px; width: auto; display: block; margin: 0 0 20px; }
.doc-footer__links { display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 22px; font-size: 14px; }
.doc-footer__links a { color: var(--color-text-on-dark); text-decoration: none; }
.doc-footer__links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.doc-footer__copy {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--color-text-tertiary); margin: 0; padding-top: 20px;
  border-top: 1px solid var(--color-border-dash-dark);
}

@media (max-width: 560px) {
  /* 横並びのままだとナビが画面外へはみ出すため、狭い画面では折り返す */
  .doc-header__inner { padding: 10px 16px; gap: 12px; }
  .doc-header__nav { gap: 6px 14px; }
  .page { padding: 38px 20px 60px; }
  h1 { font-size: 25px; }
  .page h2 { font-size: 19px; margin-top: 44px; }
  .cta { padding: 26px 22px 28px; }
}