/* 友達との一致率 */
:root {
  --accent: #1f8a84; --accent-soft: #dcf3f0; --accent-ink: #ffffff;
  --ic-a: #ff8a7a; --ic-b: #4fc3b5; --ic-same: #2b9a66; --ic-same-soft: #e3f5ea; --ic-diff: #d0702b; --ic-diff-soft: #fdeede;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --accent: #6fd3c7; --accent-soft: #173836; --accent-ink: #0e1a1a; --ic-same-soft: #17322a; --ic-diff-soft: #3a2a17; --ic-same: #4cc48b; --ic-diff: #f0a060; }
}
:root[data-theme="dark"] { --accent: #6fd3c7; --accent-soft: #173836; --accent-ink: #0e1a1a; --ic-same-soft: #17322a; --ic-diff-soft: #3a2a17; --ic-same: #4cc48b; --ic-diff: #f0a060; }

.ic-venn { max-width: 340px; margin: 0 auto; }
.ic-venn svg { width: 100%; height: auto; display: block; }
.ic-ca { fill: var(--ic-a); opacity: .78; mix-blend-mode: multiply; }
.ic-cb { fill: var(--ic-b); opacity: .78; mix-blend-mode: multiply; }
.ic-l, .ic-r { transition: transform 1.1s cubic-bezier(.2, .9, .3, 1.1); }
.ic-vt { fill: var(--text); font-size: 34px; font-weight: 900; }
.ic-vl { fill: var(--text-sub); font-size: 15px; font-weight: 700; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ic-ca, :root:not([data-theme="light"]) .ic-cb { mix-blend-mode: screen; } }
:root[data-theme="dark"] .ic-ca, :root[data-theme="dark"] .ic-cb { mix-blend-mode: screen; }

.ic-namebox { display: grid; gap: 4px; }
.ic-name, .ic-url { width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); padding: 8px 12px; font: inherit; }
.ic-url { flex: 1; min-width: 0; font-size: 13px; }
.ic-q { text-align: center; padding: 26px 18px; }
.ic-q h2 { font-size: clamp(22px, 6vw, 28px); margin: 0; }
.ic-qnum { font-size: 14px; font-weight: 900; color: var(--accent); letter-spacing: .1em; }
.ic-opt { display: flex; align-items: center; gap: 12px; font-size: 17px; }
.ic-optk { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }
.ic-head { font-size: 24px; }
.ic-pct { margin-top: -6px; }
.ic-rank { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 900; justify-content: center; }
.ic-rank-id { display: inline-flex; width: 40px; height: 40px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); align-items: center; justify-content: center; font-weight: 900; font-size: 20px; flex: none; }
.ic-strong { font-size: 22px; color: var(--accent); }
.ic-list { display: grid; gap: 8px; }
.ic-row { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--surface); }
.ic-row.is-same { border-color: var(--ic-same); background: var(--ic-same-soft); }
.ic-row.is-diff { border-color: var(--ic-diff); background: var(--ic-diff-soft); }
.ic-row-q { font-size: 15px; }
.ic-mark { margin-left: 6px; font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--surface); }
.is-same .ic-mark { color: var(--ic-same); } .is-diff .ic-mark { color: var(--ic-diff); }
.ic-bars { display: grid; gap: 3px; margin-top: 6px; }
.ic-bar { position: relative; font-size: 12px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.ic-bar span { position: relative; z-index: 1; padding: 2px 8px; display: block; }
.ic-bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent-soft); }
.ic-bar.is-major span { font-weight: 700; color: var(--accent); }
.ic-diffs { margin: 0; padding-left: 1.2em; }
.ic-zk { display: flex; gap: 12px; align-items: center; background: var(--surface-2); border-radius: 12px; padding: 8px 10px; }
.ic-zk.is-off { opacity: .55; }