/* ============================================================
   こころのマッサージ — Design Tokens (spec §4.1)
   静かな研究室 × 朝の光 × 手触りのある生活
   Static GitHub Pages build (ported from the approved design).
   ============================================================ */
:root {
  /* Base palette */
  --color-ivory: #fbf8f2;        /* base background */
  --color-ivory-warm: #f4efe4;   /* slightly deeper ivory for bands */
  --color-ink: #17342f;          /* deep green — primary text */
  --color-sage: #7e9b83;         /* sage — supporting */
  --color-sage-soft: #d9e2d6;    /* sage tint for panels/badges */
  --color-terracotta: #b96f45;   /* CTA */
  --color-terracotta-hover: #a75f38;

  /* Text roles */
  --text-strong: var(--color-ink);
  --text-body: #3a4a45;
  --text-muted: #7c8a84;
  --line: #e7e0d3;               /* hairline on ivory */
  --card: #ffffff;
  --card-line: #ece5d8;

  /* Type */
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --fs-body: 16px;
  --lh-body: 1.8;

  /* Radii */
  --radius-card: 16px;
  --radius-pill: 999px;

  /* Spacing (section rhythm) */
  --section-pc: 88px;
  --section-mobile: 48px;
  --content-max: 1200px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 200ms;

  /* Elevation */
  --shadow-card: 0 1px 2px rgba(23, 52, 47, 0.04), 0 8px 24px rgba(23, 52, 47, 0.06);
  --shadow-soft: 0 1px 2px rgba(23, 52, 47, 0.03), 0 4px 16px rgba(23, 52, 47, 0.05);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-ivory);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--text-strong);
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}

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

img { max-width: 100%; display: block; }

/* Anchor scroll offset for the sticky header */
[id] { scroll-margin-top: 96px; }

:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 32px;
}
@media (max-width: 720px) {
  .container { padding-inline: 20px; }
}

.section { padding-block: var(--section-pc); }
@media (max-width: 720px) {
  .section { padding-block: var(--section-mobile); }
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-terracotta);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  padding: 15px 28px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-primary:hover { background: var(--color-terracotta-hover); transform: translateY(-1px); }
.btn-primary .arrow { transition: transform var(--dur) var(--ease); }
.btn-primary:hover .arrow { transform: translateX(3px); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 248, 242, 0.82);
  backdrop-filter: saturate(1.1) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 78px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { color: var(--color-sage); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-strong);
  letter-spacing: 0.02em;
}
.brand-tag { font-size: 11px; color: var(--text-muted); letter-spacing: 0.04em; }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: 15px;
  color: var(--text-strong);
  position: relative;
  transition: color var(--dur) var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1.5px;
  background: var(--color-sage);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.main-nav a:hover { color: var(--color-ink); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-search {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-pill);
  color: var(--text-strong);
  transition: background var(--dur) var(--ease);
}
.header-search:hover { background: var(--color-sage-soft); }

.header-aside {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  padding-left: 22px;
  border-left: 1px solid var(--line);
  margin: 0;
}
@media (max-width: 1080px) { .header-aside { display: none; } }
@media (max-width: 900px) { .main-nav { display: none; } }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 560px;
}
.hero-left { padding: 84px 48px 84px 0; display: flex; flex-direction: column; justify-content: center; }
.hero-title {
  font-size: clamp(40px, 5.2vw, 68px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-ink);
  margin-bottom: 24px;
}
.hero-sub {
  font-family: var(--font-sans);
  font-size: 19px;
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 34px;
}
.hero-note {
  margin-top: 34px;
  padding-top: 22px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.8;
  position: relative;
}
.hero-note::before {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 40px; height: 1px; background: var(--color-sage);
}

.hero-right { position: relative; border-radius: 0 0 0 40px; overflow: hidden; }
.hero-media {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(255,255,255,0.65), rgba(255,255,255,0) 55%),
    radial-gradient(90% 80% at 30% 80%, rgba(126,155,131,0.25), rgba(126,155,131,0) 60%),
    linear-gradient(135deg, #e7eee6 0%, #d7e3da 45%, #ccd9cf 100%);
}
.hero-ripple {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  opacity: 0.55;
  color: rgba(23, 52, 47, 0.35);
}
.hero-verticals {
  position: absolute;
  top: 40px; right: 40px;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-ink);
  line-height: 2.2;
  letter-spacing: 0.12em;
  text-align: left;
}
.hero-verticals .en {
  writing-mode: horizontal-tb;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: 18px;
  line-height: 1.7;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-left { padding: 56px 0 40px; }
  .hero-right { min-height: 320px; border-radius: 24px; }
  .hero-verticals { top: 24px; right: 24px; font-size: 15px; }
}

/* ============================================================
   Category shortcuts
   ============================================================ */
.categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 8px;
}
.cat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.cat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.cat-thumb {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--color-sage-soft);
  color: var(--color-sage);
}
.cat-label { font-size: 17px; font-weight: 600; color: var(--text-strong); }
.cat-chev { margin-left: auto; color: var(--text-muted); }
@media (max-width: 900px) { .categories { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .categories { grid-template-columns: 1fr; } }

/* ============================================================
   Latest research notes
   ============================================================ */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 34px;
}
.section-title { font-size: clamp(24px, 3vw, 32px); }
.see-all {
  font-size: 14px; color: var(--color-ink);
  display: inline-flex; align-items: center; gap: 6px;
}
.see-all .arrow { transition: transform var(--dur) var(--ease); }
.see-all:hover .arrow { transform: translateX(3px); }

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.note-card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  display: flex; flex-direction: column;
}
.note-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.note-media { position: relative; aspect-ratio: 16 / 10; }
.note-badge {
  position: absolute; top: 14px; left: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-ink);
  font-size: 12px; font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
}
.note-badge .dot { color: var(--color-sage); display: inline-flex; }
.note-body { padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.note-title { font-size: 19px; line-height: 1.5; }
.note-title .em { color: var(--color-ink); }
.note-desc { font-size: 13.5px; color: var(--text-body); line-height: 1.8; margin: 0; }
.note-meta { margin-top: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-top: 6px; }
.note-date { font-size: 12px; color: var(--text-muted); }
.tag {
  font-size: 12px; color: var(--color-sage);
  background: var(--color-sage-soft);
  padding: 3px 11px; border-radius: var(--radius-pill);
}
@media (max-width: 900px) { .notes-grid { grid-template-columns: 1fr; } }

.note-media-fill {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #eef2ea, #dde6dc);
  display: grid; place-items: center;
  color: var(--color-sage);
  opacity: 0.9;
}

/* ============================================================
   Compare tool band
   ============================================================ */
.compare-band {
  background: linear-gradient(180deg, #eaf0e7 0%, #e2ebdf 100%);
  border-radius: 28px;
  padding: 40px 44px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr auto;
  gap: 36px;
  align-items: center;
}
.compare-label { font-size: 13px; color: var(--color-sage); font-weight: 600; margin-bottom: 8px; }
.compare-title { font-size: 26px; margin-bottom: 12px; }
.compare-desc { font-size: 14px; color: var(--text-body); line-height: 1.8; margin: 0; }
.compare-fields { display: flex; gap: 18px; flex-wrap: wrap; margin: 0; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 190px; flex: 1; }
.field label { font-size: 13px; color: var(--text-strong); font-weight: 600; }
.select-wrap { position: relative; }
.select-wrap select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: #fff;
  border: 1px solid var(--card-line);
  border-radius: 12px;
  padding: 13px 40px 13px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-body);
  cursor: pointer;
}
.select-wrap .chev { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.compare-cta { display: flex; align-items: flex-end; }
.compare-aside {
  position: absolute; top: 28px; right: 40px;
  font-family: var(--font-serif);
  font-size: 14px; color: var(--color-ink);
  line-height: 1.9; text-align: right;
  margin: 0;
}
@media (max-width: 1000px) {
  .compare-band { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px; }
  .compare-aside { display: none; }
  .compare-cta .btn-primary { width: 100%; justify-content: center; }
}

/* ============================================================
   Disclosure strip (景表法ステマ規制 — spec §10)
   ============================================================ */
.disclosure-strip {
  background: var(--color-sage-soft);
  color: var(--color-ink);
  font-size: 12.5px;
  text-align: center;
  padding: 9px 20px;
  line-height: 1.6;
}

/* ============================================================
   Plain personal-blog layout （素朴な個人ブログ × 静かな研究室）
   Text-led, generous whitespace, single reading column.
   ============================================================ */
.wrap-narrow { max-width: 760px; }

/* Masthead hero — calm, text-first, no big image panel */
.masthead { padding-block: 72px 40px; }
.masthead .lab-kicker { margin-bottom: 18px; }
.masthead h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.01em;
  margin: 0 0 20px;
}
.masthead .lead {
  font-size: 18px; color: var(--text-body); line-height: 1.95; margin: 0 0 26px;
}
.masthead .hello {
  font-size: 15px; color: var(--text-body); line-height: 2;
  border-left: 2px solid var(--color-sage); padding-left: 18px; margin: 0 0 28px;
}
.masthead .hello .sign { font-family: var(--font-serif); color: var(--text-strong); }
.masthead .cta-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.masthead .cta-quiet { font-size: 14px; color: var(--text-muted); }
.masthead .cta-quiet a { color: var(--color-ink); text-decoration: underline; text-underline-offset: 2px; }

/* Section rhythm for the plain layout */
.blog-section { padding-block: 40px; border-top: 1px solid var(--line); }
.blog-section > .lab-kicker { margin-bottom: 18px; }
.blog-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 20px; }
.blog-head h2 { font-size: clamp(22px, 2.6vw, 28px); }

/* Themes as quiet inline links (悩みショートカット) */
.theme-links { display: flex; flex-wrap: wrap; gap: 10px 12px; }
.theme-links a {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 15px; color: var(--text-strong);
  border: 1px solid var(--card-line); border-radius: 999px;
  padding: 9px 18px; background: var(--card);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.theme-links a:hover { border-color: var(--color-sage); color: var(--color-ink); }
.theme-links a svg { color: var(--color-sage); }

/* Research notes as a plain blog list (no image cards) */
.note-list { display: flex; flex-direction: column; }
.note-row {
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center;
  padding: 24px 4px; border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.note-row:first-child { border-top: 1px solid var(--line); }
.note-row:hover { background: rgba(126,155,131,0.05); }
.note-row .row-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px;
}
.note-row .row-date { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 0.02em; }
.badge-inline {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 600; color: var(--color-ink);
  background: var(--color-sage-soft); padding: 3px 10px; border-radius: 999px;
}
.badge-inline.pending { background: var(--color-ivory-warm); color: var(--text-muted); }
.note-row h3 { font-size: 20px; line-height: 1.5; margin: 0 0 6px; }
.note-row h3 .em { color: var(--color-ink); }
.note-row .row-desc { font-size: 14px; color: var(--text-body); line-height: 1.8; margin: 0 0 8px; }
.note-row .row-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.note-row .row-chev { color: var(--text-muted); transition: transform var(--dur) var(--ease); }
.note-row:hover .row-chev { transform: translateX(3px); color: var(--color-ink); }
@media (max-width: 560px) {
  .note-row { grid-template-columns: 1fr; }
  .note-row .row-chev { display: none; }
}

/* Quiet compare box (no saturated band) */
.compare-quiet {
  border: 1px solid var(--card-line); border-radius: var(--radius-card);
  padding: 28px 30px; background: var(--card);
}
.compare-quiet h2 { font-size: 22px; margin: 0 0 8px; }
.compare-quiet p { font-size: 14px; color: var(--text-body); margin: 0 0 20px; }
.compare-quiet .compare-fields { margin-bottom: 18px; }
.compare-quiet .field { min-width: 170px; }

/* ============================================================
   Research-lab / personal-notebook cues
   （個人ブログ × 静かな研究室）
   ============================================================ */
/* Monospace eyebrow label, e.g. "RESEARCH NOTES" */
.lab-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-sage);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
}
.lab-kicker::before {
  content: "";
  width: 20px; height: 1px;
  background: var(--color-sage);
}

/* Faint graph-paper texture (lab notebook) */
.graph-paper {
  background-color: var(--color-ivory-warm);
  background-image:
    linear-gradient(rgba(126, 155, 131, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 155, 131, 0.10) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* Personal researcher note band */
.lab-note {
  border-radius: var(--radius-card);
  border: 1px solid var(--card-line);
  padding: 34px 36px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 26px;
  align-items: start;
}
.lab-note .stamp {
  flex: none;
  width: 58px; height: 58px;
  border-radius: 999px;
  background: var(--color-ivory);
  border: 1px solid var(--card-line);
  display: grid; place-items: center;
  color: var(--color-sage);
}
.lab-note .lab-kicker { margin-bottom: 8px; }
.lab-note p { margin: 0 0 12px; color: var(--text-body); font-size: 15px; }
.lab-note p:last-of-type { margin-bottom: 0; }
.lab-sign {
  font-family: var(--font-serif);
  color: var(--text-strong);
  font-size: 15px;
  margin-top: 4px;
}
.lab-sign a { color: var(--color-terracotta); text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 640px) {
  .lab-note { grid-template-columns: 1fr; gap: 16px; padding: 26px 22px; }
}

/* Note number badge on cards (研究ノート No.) */
.note-no {
  position: absolute;
  top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.9);
  padding: 3px 9px;
  border-radius: 6px;
  box-shadow: var(--shadow-soft);
}

/* Monospace metadata (dates read like lab entries) */
.note-date { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ============================================================
   Sub-pages (about / methodology / disclosure) — prose
   ============================================================ */
.page-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 248, 242, 0.9);
}
.page-header .header-inner { height: 68px; }
.page-back {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-strong);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.page-back:hover { color: var(--color-ink); }

.page-hero { padding-block: 56px 8px; }
.page-eyebrow { font-size: 13px; color: var(--color-sage); font-weight: 600; margin: 0 0 10px; }
.page-title { font-size: clamp(28px, 4vw, 42px); margin: 0 0 14px; }
.page-lead { font-size: 16px; color: var(--text-body); line-height: 1.9; max-width: 62ch; margin: 0; }

.prose { max-width: 720px; padding-block: 24px var(--section-pc); }
.prose h2 {
  font-size: 22px;
  margin: 44px 0 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.prose h2:first-child { border-top: none; padding-top: 0; margin-top: 8px; }
.prose h3 { font-size: 17px; margin: 24px 0 8px; font-family: var(--font-sans); }
.prose p { margin: 0 0 16px; color: var(--text-body); }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 1.3em; color: var(--text-body); }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--color-terracotta); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--color-terracotta-hover); }
.prose strong { color: var(--text-strong); font-weight: 600; }
.prose .callout {
  background: var(--color-sage-soft);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  margin: 0 0 22px;
  font-size: 14.5px;
  color: var(--color-ink);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 14px;
}
.prose th, .prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prose th { color: var(--text-strong); font-weight: 600; background: var(--color-ivory-warm); }
.grade { font-weight: 700; font-family: var(--font-serif); color: var(--color-ink); }

/* ============================================================
   Article (研究ノート) — spec §3.3 eight-block template
   ============================================================ */
.breadcrumb {
  font-size: 12.5px;
  color: var(--text-muted);
  padding-block: 18px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb .sep { color: var(--line); }

.article-shell { max-width: 760px; }
.article-head { padding-block: 20px 8px; }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.article-title { font-size: clamp(26px, 3.6vw, 38px); line-height: 1.4; margin: 0 0 16px; }
.article-meta {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
  font-size: 13px; color: var(--text-muted);
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.article-meta .verified { color: var(--color-sage); display: inline-flex; align-items: center; gap: 5px; font-weight: 600; }

/* Sample / template banner */
.sample-banner {
  background: #f6ecd9;
  border: 1px solid #e6d3ac;
  color: #7a5a25;
  border-radius: var(--radius-card);
  padding: 12px 18px;
  font-size: 13px;
  margin: 22px 0 0;
  line-height: 1.7;
}

/* Block scaffolding */
.block { padding-block: 30px; border-bottom: 1px solid var(--line); }
.block:last-of-type { border-bottom: none; }
.block-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--color-sage);
  margin-bottom: 12px;
}
.block-kicker .n {
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--color-sage-soft); color: var(--color-ink);
  display: grid; place-items: center; font-size: 12px;
}
.block h2 { font-size: 22px; margin: 0 0 14px; }
.block p { margin: 0 0 14px; color: var(--text-body); }
.block ul, .block ol { margin: 0 0 14px; padding-left: 1.25em; }
.block li { margin-bottom: 7px; }

/* Conclusion box (block 1) */
.verdict {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 22px 24px;
  display: grid;
  gap: 14px;
}
.verdict .row { display: flex; gap: 12px; align-items: flex-start; }
.verdict .lead {
  flex: none; font-family: var(--font-sans); font-size: 12px; font-weight: 700;
  padding: 3px 12px; border-radius: 999px; margin-top: 2px;
}
.verdict .lead.rec { background: var(--color-sage-soft); color: var(--color-ink); }
.verdict .lead.avoid { background: #f0dcd0; color: #8a4a28; }
.verdict .row p { margin: 0; }

/* 向く / 向かない — two columns */
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fit-card { border-radius: var(--radius-card); padding: 18px 20px; }
.fit-card.yes { background: var(--color-sage-soft); }
.fit-card.no { background: var(--color-ivory-warm); border: 1px solid var(--line); }
.fit-card h3 { font-family: var(--font-sans); font-size: 15px; margin: 0 0 10px; }
.fit-card ul { margin: 0; padding-left: 1.15em; font-size: 14px; }
@media (max-width: 640px) { .fit-grid { grid-template-columns: 1fr; } }

/* Evidence grade badges */
.grade-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700;
  padding: 3px 11px; border-radius: 999px;
  font-family: var(--font-sans);
}
.grade-badge .g { font-family: var(--font-serif); }
.grade-A { background: #d7e6d8; color: #245b3a; }
.grade-B { background: #dbe4ee; color: #2f5675; }
.grade-C { background: #efe7d4; color: #82652a; }
.grade-D { background: #ecebe8; color: #6b6b66; }

/* Claim card */
.claim {
  border-left: 3px solid var(--color-sage);
  padding: 4px 0 4px 18px;
  margin: 0 0 18px;
}
.claim .statement { font-weight: 600; color: var(--text-strong); margin-bottom: 8px; }
.claim .limit { font-size: 13px; color: var(--text-muted); margin: 8px 0 0; }
.claim .src { font-size: 12.5px; color: var(--text-muted); margin: 6px 0 0; }
.claim .src a { color: var(--color-terracotta); text-decoration: underline; text-underline-offset: 2px; }

/* Comparison / verification tables */
.block table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 0 0 8px; }
.block th, .block td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.block th { background: var(--color-ivory-warm); color: var(--text-strong); font-weight: 600; white-space: nowrap; }
.table-scroll { overflow-x: auto; margin: 0 0 14px; }

/* Disclosure block */
.disc-list { font-size: 13.5px; color: var(--text-body); }
.disc-list dt { color: var(--text-muted); font-size: 12px; }
.disc-list dd { margin: 2px 0 12px; }

/* Next action CTA */
.next-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 4px; }
.action-card {
  border-radius: var(--radius-card); padding: 22px; display: flex; flex-direction: column; gap: 10px;
}
.action-card.primary { background: linear-gradient(180deg, #eaf0e7, #e2ebdf); }
.action-card.secondary { background: var(--card); border: 1px solid var(--card-line); }
.action-card h3 { font-size: 17px; margin: 0; }
.action-card p { font-size: 13.5px; margin: 0; color: var(--text-body); }
.action-card .btn-primary { margin-top: auto; align-self: flex-start; }
.action-card .btn-ghost {
  margin-top: auto; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 14px; color: var(--color-ink);
  border: 1px solid var(--color-ink); border-radius: 999px; padding: 12px 22px;
  transition: background var(--dur) var(--ease);
}
.action-card .btn-ghost:hover { background: var(--color-sage-soft); }
@media (max-width: 640px) { .next-actions { grid-template-columns: 1fr; } }

/* Research index list */
.research-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 900px) { .research-list { grid-template-columns: 1fr; } }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.chip {
  font-size: 13px; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--card-line); background: var(--card); color: var(--text-body);
}
.chip.is-active { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }

/* ============================================================
   3-minute check (診断) — spec §3.1 /check
   ============================================================ */
.check-shell { max-width: 640px; }
.check-progress { display: flex; gap: 8px; margin: 8px 0 28px; }
.check-progress .dot { flex: 1; height: 4px; border-radius: 999px; background: var(--line); transition: background var(--dur) var(--ease); }
.check-progress .dot.on { background: var(--color-sage); }
.check-step h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 6px; }
.check-step .q-sub { color: var(--text-muted); font-size: 14px; margin: 0 0 24px; }
.opt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .opt-grid { grid-template-columns: 1fr; } }
.opt {
  text-align: left; cursor: pointer;
  background: var(--card); border: 1px solid var(--card-line); border-radius: var(--radius-card);
  padding: 18px 20px; font-family: var(--font-sans); font-size: 16px; color: var(--text-strong);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  display: flex; align-items: center; gap: 14px;
}
.opt:hover { transform: translateY(-2px); border-color: var(--color-sage); box-shadow: var(--shadow-card); }
.opt .opt-ico { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--color-sage-soft); color: var(--color-sage); display: grid; place-items: center; }
.opt .opt-label { font-weight: 600; }
.opt .opt-note { display: block; font-size: 12px; color: var(--text-muted); font-weight: 400; margin-top: 2px; }
.check-back { margin-top: 22px; background: none; border: none; color: var(--text-muted); font-size: 14px; cursor: pointer; font-family: var(--font-sans); }
.check-back:hover { color: var(--color-ink); }

.result-card {
  background: var(--card); border: 1px solid var(--card-line); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); padding: 30px 30px 26px; margin-top: 8px;
}
.result-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--color-sage); }
.result-title { font-size: 24px; margin: 8px 0 12px; }
.result-body { color: var(--text-body); font-size: 15px; margin: 0 0 20px; }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.result-note { font-size: 12px; color: var(--text-muted); margin: 18px 0 0; line-height: 1.7; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: var(--color-ivory-warm);
}
.footer-inner { padding-block: 48px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-brand .brand-name { font-size: 20px; }
.footer-disclosure {
  margin-top: 16px; font-size: 12px; color: var(--text-muted);
  line-height: 1.8; max-width: 34ch;
}
.footer-col h4 { font-family: var(--font-sans); font-size: 13px; color: var(--text-strong); margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--text-body); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--color-ink); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-block: 20px;
  font-size: 12px; color: var(--text-muted);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
@media (max-width: 720px) { .footer-inner { grid-template-columns: 1fr; gap: 28px; } }