/* =========================================================
   AIで一人個人事業の教科書 サイト共通CSS
   bizarch-design tone & manner
   - Electric Blue : #0066FF
   - Deep Purple   : #8A2BE2
   - Soft Coral    : #FF7A59
   - Background    : #FFFFFF + Blueprint grid
   Font : Noto Sans JP (300 / 400 / 500 / 700 / 900)
   ※ シミュレータの style.css と衝突しないよう、
      共通レイアウト要素のみここに定義する
========================================================= */

/* ---------- Color & token (root variables) ---------- */
:root {
  /* brand colors */
  --c-blue:   #0066FF;
  --c-purple: #8A2BE2;
  --c-coral:  #FF7A59;
  --c-bg:     #FFFFFF;

  /* text */
  --c-text:      #111827;
  --c-text-sub:  #4B5563;
  --c-text-mute: #4B5563; /* was #6B7280 — bumped for WCAG AA contrast 4.5:1+ */
  --c-text-dim:  #6B7280; /* was #9CA3AF — bumped similarly */

  /* surface / border */
  --c-border:      #F3F4F6;
  --c-border-soft: #E5E7EB;
  --c-surface-1:   #FFFFFF;
  --c-surface-2:   #F9FAFB;
  --c-surface-3:   #F3F4F6;

  /* gradients */
  --grad-brand:   linear-gradient(to right, #0066FF, #8A2BE2);
  --grad-warm:    linear-gradient(135deg, rgba(255,122,89,0.08), rgba(0,102,255,0.06));
  --grad-section: linear-gradient(135deg, rgba(0,102,255,0.04), rgba(138,43,226,0.04));

  /* layout */
  --layout-max:   80rem;     /* 1280px */
  --layout-pad-x: 24px;
  --layout-pad-x-sm: 16px;

  /* radius */
  --r-sm: 0.5rem;
  --r-md: 0.75rem;
  --r-lg: 1rem;
  --r-xl: 1.25rem;

  /* shadow */
  --sh-soft:  0 8px 16px -8px rgba(0, 102, 255, 0.10);
  --sh-mid:   0 20px 25px -5px rgba(0, 102, 255, 0.06), 0 8px 10px -6px rgba(138, 43, 226, 0.05);
  --sh-cta:   0 12px 24px -8px rgba(0, 102, 255, 0.40);

  /* transitions */
  --t-fast: 0.15s ease;
  --t-mid:  0.25s ease;
  --t-slow: 0.4s ease;

  --header-h: 64px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button { background: none; border: none; cursor: pointer; font-family: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
/* a11y: body content links should be underlined (not just colored) */
article p > a:not(.btn):not([class*="btn-"]):not([class*="card"]),
article li > a:not(.btn):not([class*="btn-"]),
.legal-body p > a, .legal-body li > a,
.ct-section p > a, .ct-faq dd > a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ---------- Base ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Blueprint grid (subtle) */
.bg-blueprint {
  background-color: #FFFFFF;
  background-image:
    linear-gradient(rgba(0,102,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.035) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Visually hidden (a11y) */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- Layout container ---------- */
.container {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding-left: var(--layout-pad-x);
  padding-right: var(--layout-pad-x);
}
@media (max-width: 768px) {
  .container { padding-left: var(--layout-pad-x-sm); padding-right: var(--layout-pad-x-sm); }
}

/* ---------- Section base ---------- */
.section {
  padding: 80px 0;
  position: relative;
}
.section--alt {
  background:
    linear-gradient(rgba(0,102,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.02) 1px, transparent 1px),
    #FAFBFC;
  background-size: 40px 40px;
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
}

.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--c-blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--c-text);
  margin-bottom: 16px;
}
.section-title .hl {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-lead {
  font-size: 1rem;
  color: var(--c-text-sub);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 36px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-mid), box-shadow var(--t-mid), padding var(--t-mid);
}
.site-header.is-scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: 0 4px 16px -8px rgba(0,102,255,0.08);
}
.header-inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 14px var(--layout-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: padding var(--t-mid);
}
.site-header.is-scrolled .header-inner { padding-top: 10px; padding-bottom: 10px; }

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.brand-logo img { height: 70px; width: auto; }
@media (max-width: 768px) {
  .brand-logo img { height: 52px; }
  .brand-logo { margin-left: -16px; }
  .header-inner { padding-top: 9px; padding-bottom: 9px; }
  .site-header.is-scrolled .header-inner { padding-top: 5px; padding-bottom: 5px; }
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.global-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-sub);
  padding: 8px 12px;
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
}
.global-nav a:hover { color: var(--c-blue); background: rgba(0,102,255,0.05); }
.global-nav a.is-cta {
  margin-left: 8px;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  padding: 9px 18px;
}
.global-nav a.is-cta:hover { color: #fff; box-shadow: var(--sh-cta); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  color: var(--c-text);
  transition: background var(--t-fast);
}
.nav-toggle:hover { background: var(--c-surface-3); }
.nav-toggle .bar {
  position: relative;
  width: 22px; height: 2px;
  background: var(--c-text);
  display: block;
  transition: transform var(--t-mid), background var(--t-fast);
}
.nav-toggle .bar::before,
.nav-toggle .bar::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--c-text);
  transition: transform var(--t-mid);
}
.nav-toggle .bar::before { top: -7px; }
.nav-toggle .bar::after  { top:  7px; }
.nav-toggle[aria-expanded="true"] .bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .global-nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-border);
    padding: 12px var(--layout-pad-x-sm) 20px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-mid), transform var(--t-mid), visibility var(--t-mid);
    box-shadow: 0 8px 16px -10px rgba(0,102,255,0.10);
  }
  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .global-nav a {
    padding: 14px 12px;
    font-size: 1rem;
    border-radius: var(--r-sm);
    border-bottom: 1px solid var(--c-border);
  }
  .global-nav a:last-of-type { border-bottom: none; }
  .global-nav a.is-cta { margin: 12px 0 0; text-align: center; padding: 14px 12px; border-bottom: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-mid), background var(--t-mid), color var(--t-mid);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 8px 16px -8px rgba(0,102,255,0.35);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: var(--sh-cta); color: #fff; }
.btn--coral {
  background: linear-gradient(135deg, #FF7A59, #FF5722);
  color: #fff;
  box-shadow: 0 8px 16px -8px rgba(255,122,89,0.45);
}
.btn--coral:hover { transform: translateY(-1px); box-shadow: 0 12px 24px -8px rgba(255,122,89,0.50); color: #fff; }
.btn--ghost {
  background: #fff;
  color: var(--c-text);
  border: 1px solid var(--c-border-soft);
}
.btn--ghost:hover { border-color: var(--c-blue); color: var(--c-blue); transform: translateY(-1px); }

.btn--lg { padding: 16px 30px; font-size: 1rem; }
.btn--sm { padding: 10px 16px; font-size: 0.85rem; }

/* ---------- Card ---------- */
.card {
  background: var(--c-surface-1);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: border-color var(--t-mid), box-shadow var(--t-mid), transform var(--t-mid);
}
.card:hover {
  border-color: rgba(0,102,255,0.20);
  box-shadow: var(--sh-mid);
  transform: translateY(-2px);
}
.card__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.card__lead {
  font-size: 0.9rem;
  color: var(--c-text-mute);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #FAFBFC;
  border-top: 1px solid var(--c-border);
  padding: 56px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
.footer-grid h4 {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-grid li { margin-bottom: 8px; }
.footer-grid a {
  font-size: 0.85rem;
  color: var(--c-text-mute);
  transition: color var(--t-fast);
}
.footer-grid a:hover { color: var(--c-blue); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--c-text-mute);
}
.footer-bottom .brand {
  font-weight: 700;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Animation utilities ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn var(--t-slow) both; }

@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1; }
}

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

/* === Sub-page header overlap fix + hamburger label (2026-05) === */
main, body > .site-header + section, body > .site-header + div { padding-top: 90px; }
.nav-toggle { flex-direction: column; height: auto; padding: 6px 8px; gap: 6px; }
.nav-toggle .bar-label { font-size: 10px; font-weight: 700; letter-spacing: 0.06em; color: var(--c-text); display: block; }
/* sub-page hero: ヘッダー高さ分 padding-top 確保（ページ固有styleを上書き） */
section.res-hero, section.dl-hero, section.open-hero, section.cs-hero { padding-top: clamp(110px, 8vw + 60px, 150px) !important; }

/* =========================================================
   Responsive button width unification (2026-05-10)
   モバイルで .btn / .tb-btn / .pg-btn の幅を統一
   ========================================================= */
@media (max-width:600px){
  .hero-cta .btn,
  .hero-cta .tb-btn,
  .hero-cta .pg-btn,
  .pg-hero .cta-row .pg-btn,
  .pg-hero .cta-row .btn,
  .tb-hero .cta-row .tb-btn,
  .tb-hero .cta-row .btn,
  .cta-pair a,
  .next-actions a {
    width:100%;
    justify-content:center;
  }
  .hero-cta, .cta-row {
    flex-direction:column;
    width:100%;
  }
}

/* タブレット〜デスクトップ：最低幅統一 */
@media (min-width:601px){
  .hero-cta .btn,
  .hero-cta .pg-btn,
  .pg-hero .cta-row .pg-btn,
  .tb-hero .cta-row .tb-btn {
    min-width:180px;
    justify-content:center;
  }
}

/* =========================================================
   Footer v2 — 3 variants (dark / light / minimal)
   ========================================================= */

/* --- 共通 --- */
.site-footer{margin-top:40px;font-family:inherit}
.site-footer .ftr-container{max-width:1180px;margin:0 auto;padding:48px 24px 28px}
.site-footer h4{
  font-size:11px;font-weight:800;letter-spacing:.18em;
  text-transform:uppercase;margin:0 0 12px;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{
  text-decoration:none;font-size:13px;line-height:1.6;
  transition:color .15s ease;
}

/* =========================================================
   Variant A: DARK (for top / brand-forward)
   ========================================================= */
.site-footer--dark{
  background:linear-gradient(180deg,#0B1020 0%,#0a0e1a 100%) !important;
  color:#cbd5e1 !important;position:relative;overflow:hidden;
  border-top:0 !important;
}
.site-footer--dark .ftr-grid{display:grid !important}
.site-footer--dark::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(50% 60% at 80% 0%,rgba(138,43,226,.12),transparent 60%),
    radial-gradient(40% 50% at 0% 100%,rgba(0,102,255,.08),transparent 60%);
  pointer-events:none;
}
.site-footer--dark .ftr-container{position:relative;z-index:1;padding-bottom:0}
.site-footer--dark .ftr-grid{
  display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr 1fr;gap:36px 32px;
  padding-bottom:32px;
}
@media (max-width:980px){.site-footer--dark .ftr-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:600px){.site-footer--dark .ftr-grid{grid-template-columns:1fr;gap:28px}}

.site-footer--dark .ftr-brand{display:flex;flex-direction:column;gap:18px}
.site-footer--dark .ftr-logo{display:flex;align-items:center;gap:14px}
.site-footer--dark .ftr-logo svg, .site-footer--dark .ftr-logo img{
  width:46px;height:46px;flex-shrink:0;
}
.site-footer--dark .ftr-title{
  font-size:16px;font-weight:900;color:#fff;line-height:1.3;
}
.site-footer--dark .ftr-tag{
  font-size:10px;font-weight:700;color:#8A2BE2;letter-spacing:.16em;margin-top:4px;
}
.site-footer--dark .ftr-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:10px;
  background:linear-gradient(135deg,#0066FF,#8A2BE2);
  color:#fff !important;font-weight:800;font-size:13px;
  box-shadow:0 6px 18px rgba(0,102,255,.35);
  transition:all .15s ease;
}
.site-footer--dark .ftr-cta:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(138,43,226,.4)}
.site-footer--dark .ftr-social a{
  color:#cbd5e1;font-size:12px;display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;
  transition:all .15s;
}
.site-footer--dark .ftr-social a:hover{
  border-color:#22d3ee;color:#22d3ee;
}
.site-footer--dark h4{color:#fff}
.site-footer--dark a{color:#94a3b8}
.site-footer--dark a:hover{color:#22d3ee}
.site-footer--dark .ftr-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:8px 18px;
  font-size:11px;color:#64748b;
}
.site-footer--dark .ftr-bottom span:not(:last-child)::after{
  content:"·";margin-left:18px;opacity:.4;
}

/* =========================================================
   Variant B: LIGHT EDITORIAL (for content pages)
   ========================================================= */
.site-footer--light{
  background:#FAFBFE !important;
  border-top:1px solid #eef0f7 !important;
  color:#374151 !important;
}
.site-footer--light .ftr-grid-light{display:grid !important}
.site-footer--light .ftr-grid-light{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:28px;
}
@media (max-width:980px){.site-footer--light .ftr-grid-light{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:600px){.site-footer--light .ftr-grid-light{grid-template-columns:1fr;gap:24px}}

.site-footer--light .ftr-brand-light{display:flex;flex-direction:column;gap:12px;min-width:0}
.site-footer--light .ftr-brand-light img{height:36px;width:auto;object-fit:contain;align-self:flex-start;max-width:100%}
.site-footer--light .ftr-tag-light{
  font-size:12.5px;color:#6b7280;font-weight:500;line-height:1.75;
  word-break:auto-phrase;line-break:strict;
}
.site-footer--light .ftr-tag-light .grad{
  background:linear-gradient(135deg,#0066FF,#8A2BE2);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800;
}
.site-footer--light .ftr-tag-light .nb{white-space:nowrap}
.site-footer--light h4{color:#0B1020}
.site-footer--light a{color:#5b6478}
.site-footer--light a:hover{color:#0066FF}
.site-footer--light li{
  position:relative;padding-left:14px;
}
.site-footer--light li::before{
  content:"";position:absolute;left:0;top:11px;
  width:4px;height:4px;border-radius:50%;background:#cbd5e1;
}
.site-footer--light li .meta{
  font-size:10px;color:#9ca3af;font-weight:600;margin-left:6px;
}

.site-footer--light .ftr-bottom-light{
  border-top:1px solid #eef0f7;
  padding:18px 0;display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 20px;font-size:11px;color:#9ca3af;
}
.site-footer--light .ftr-bottom-light a{color:#5b6478;font-weight:600}
.site-footer--light .ftr-bottom-light a:hover{color:#0066FF}
.site-footer--light .ftr-bottom-light .grow{flex:1}
.site-footer--light .ftr-bottom-light span:not(:last-child)::after{
  content:"·";margin-left:20px;opacity:.5;
}

/* =========================================================
   Variant C: MINIMAL (for simulator-like apps)
   ========================================================= */
.site-footer--minimal{
  background:#0B1020 !important;
  color:#94a3b8;
  margin-top:0 !important;
  padding:0;
  border-top:1px solid rgba(138,43,226,.25);
}
.site-footer--minimal .ftr-container{padding:18px 24px}
.site-footer--minimal .ftr-mini{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  font-size:12px;
}
.site-footer--minimal .ftr-mini-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;
}
.site-footer--minimal .ftr-mini-brand img{height:24px;width:auto}
.site-footer--minimal .ftr-mini-nav{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.site-footer--minimal .ftr-mini-nav a{
  color:#cbd5e1;font-size:12px;font-weight:600;
  padding:4px 0;
}
.site-footer--minimal .ftr-mini-nav a:hover{color:#22d3ee}
.site-footer--minimal .ftr-mini-nav .sep{color:#475569;opacity:.6}
.site-footer--minimal .ftr-mini-meta{
  margin-left:auto;font-size:11px;color:#64748b;
  display:flex;align-items:center;gap:10px;
}
.site-footer--minimal .ftr-mini-meta a{
  color:#cbd5e1;font-weight:600;
}
.site-footer--minimal .ftr-mini-meta a:hover{color:#22d3ee}

@media (max-width:600px){
  .site-footer--minimal .ftr-mini{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer--minimal .ftr-mini-meta{margin-left:0}
}

/* legacy footer-grid: keep working for now (will deprecate) */

/* Footer dark/minimal: invert logo for dark backgrounds */
.site-footer--dark .ftr-logo img,
.site-footer--minimal .ftr-mini-brand img{
  filter:brightness(0) invert(1);
  opacity:.95;
}
.site-footer--dark .ftr-logo img{height:50px;width:auto;}
.site-footer--minimal .ftr-mini-brand img{height:24px;width:auto;}
.site-footer--minimal .ftr-mini-brand span{display:none}
.site-footer--dark .ftr-logo > div{display:none}

/* ============================================================
   シェアボタン
   <aside class="share-bar"><a class="share-btn" data-share="x">…</a>…</aside>
============================================================ */
.share-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:36px 0 20px;padding:18px 20px;
  background:var(--c-surface-2);border:1px solid var(--c-border-soft);
  border-radius:var(--r-lg);
}
.share-bar__label{
  font-size:0.82rem;font-weight:700;color:var(--c-text-sub);
  margin-right:4px;
}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;
  font-size:0.82rem;font-weight:700;
  background:#fff;border:1px solid var(--c-border-soft);
  color:var(--c-text);
  transition:transform var(--t-fast),border-color var(--t-fast),background var(--t-fast),color var(--t-fast);
  text-decoration:none;
}
.share-btn:hover{transform:translateY(-1px);}
.share-btn--x       { background:#000;color:#fff;border-color:#000; }
.share-btn--x:hover { color:#fff;opacity:.85; }
.share-btn--hatena       { background:#00A4DE;color:#fff;border-color:#00A4DE; }
.share-btn--hatena:hover { color:#fff;opacity:.85; }
.share-btn--line       { background:#06C755;color:#fff;border-color:#06C755; }
.share-btn--line:hover { color:#fff;opacity:.85; }
.share-btn--copy:hover { border-color:var(--c-blue);color:var(--c-blue); }
.share-btn .ico{font-weight:900;letter-spacing:0;}