/* 連弾診断 */
.small { font-size: .78rem; }
.sd-start { padding-bottom: 90px; }
.sd-start .btn { margin: 10px 0 14px; padding: 14px 40px; }
.sd-q { max-width: 720px; margin: 0 auto; padding: 50px 0 90px; }
.sd-progress { display: flex; align-items: center; gap: 16px; font-family: var(--serif-en); letter-spacing: .2em; color: var(--gold); font-size: .9rem; }
.sd-progress .bar { flex: 1; height: 1px; background: rgba(198, 161, 91, .2); }
.sd-progress .bar i { display: block; height: 100%; background: var(--gold); transition: width .5s; }
.sd-text { font-weight: 500; font-size: clamp(1.15rem, 3.4vw, 1.5rem); letter-spacing: .1em; line-height: 1.7; margin: 40px 0 30px; text-align: center; }
.sd-text.in { animation: sdIn .6s ease both; }
@keyframes sdIn { from { opacity: 0; transform: translateY(8px); } }
.sd-opts { display: grid; gap: 12px; margin-bottom: 30px; }
.sd-opt { display: flex; align-items: center; gap: 18px; text-align: left; padding: 18px 22px; background: var(--lacquer); border: 1px solid rgba(198, 161, 91, .25); cursor: pointer; font-size: .98rem; letter-spacing: .06em; line-height: 1.6; transition: border-color .3s, transform .3s, background .3s; animation: sdIn .5s ease both; animation-delay: calc(var(--k) * .06s); }
.sd-opt span { flex: none; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--gold-dim); font-family: var(--serif-en); color: var(--gold); font-size: .95rem; }
.sd-opt:hover { border-color: var(--gold); transform: translateX(4px); }
.sd-opt.on { background: rgba(198, 161, 91, .14); border-color: var(--gold); }
.sd-opt.on span { background: var(--gold); color: #0a0909; }
.text-btn { background: none; border: none; color: var(--ivory-2); font-size: .8rem; letter-spacing: .15em; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }

.sd-r { max-width: 820px; margin: 0 auto; padding: 56px 0 90px; text-align: center; }
.r-kicker { color: var(--ivory-2); letter-spacing: .3em; font-size: .85rem; margin: 0; }
.r-part { font-weight: 500; font-size: clamp(2rem, 6vw, 3rem); letter-spacing: .2em; margin: 8px 0 0; color: var(--gold-2); line-height: 1.3; }
.r-part small { display: block; font-family: var(--serif-en); font-weight: 300; font-size: .9rem; letter-spacing: .5em; color: var(--ivory-2); margin-top: 6px; }
.r-type { letter-spacing: .25em; margin: 16px 0 30px; }
.meter { display: flex; align-items: center; gap: 14px; max-width: 520px; margin: 0 auto; font-family: var(--serif-en); letter-spacing: .2em; font-size: .85rem; color: var(--gold); }
.m-bar { position: relative; flex: 1; height: 6px; background: linear-gradient(90deg, #e3c88e, #6f5a35); }
.m-bar i { position: absolute; right: 0; top: 0; bottom: 0; background: #241f1a; transition: width 1.4s cubic-bezier(.2, .8, .2, 1); }
.m-bar b { position: absolute; top: 50%; width: 14px; height: 14px; border: 1px solid var(--gold-2); background: var(--black); transform: translate(-50%, -50%) rotate(45deg); transition: left 1.4s cubic-bezier(.2, .8, .2, 1); }
.m-num { font-size: .8rem; color: var(--ivory-2); letter-spacing: .1em; margin: 12px 0 34px; }
.r-body { text-align: left; font-size: .93rem; line-height: 2; }
.r-body p { margin: 0 0 1em; }
.r-body .tip { color: var(--gold-2); font-size: .88rem; border-top: 1px solid var(--line); padding-top: 1em; }
.r-body .lap { margin: 0; color: var(--ivory-2); font-size: .82rem; }
.r-songs h3 { font-weight: 500; letter-spacing: .25em; margin: 46px 0 18px; font-size: 1.1rem; }
.songs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; text-align: left; }
.song { position: relative; border: 1px solid var(--line); padding: 20px 18px; background: var(--black-2); }
.song .rank { position: absolute; top: 10px; right: 14px; font-family: var(--serif-en); font-style: italic; font-size: 1.8rem; color: var(--gold-dim); }
.song h4 { font-family: var(--serif-en); font-weight: 400; font-size: 1.35rem; margin: 0; letter-spacing: .05em; }
.song .by { font-size: .74rem; color: var(--gold); margin: 2px 0 10px; }
.song p { font-size: .84rem; color: var(--ivory-2); margin: 0; }
.listen-link { display: inline-block; margin-top: 10px; font-size: .8rem; color: var(--gold-2); text-decoration: none; border-bottom: 1px solid var(--gold-dim); }
.r-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 40px; }
.song .lv { display: flex; align-items: center; gap: 10px; margin: 8px 0 2px; font-size: .78rem; color: var(--ivory); }
.song .lv span { border: 1px solid var(--gold-dim); padding: 0 8px; letter-spacing: .15em; color: var(--gold); }
.song .lv b { font-weight: 400; color: var(--gold-2); letter-spacing: .1em; }
.song .pt { margin: 4px 0 0; }
.song .nt { margin-top: 10px !important; padding-top: 10px; border-top: 1px solid var(--line); font-size: .8rem !important; }
.m-bar i { display: none; }
.m-bar { background: linear-gradient(90deg, #e3c88e, #6f5a35 50%, #e3c88e); }
.song .story { margin-top: 10px; font-size: .8rem; }
.song .story summary { cursor: pointer; color: var(--gold); letter-spacing: .15em; list-style: none; }
.song .story summary::-webkit-details-marker { display: none; }
.song .story summary::before { content: "＋ "; }
.song .story[open] summary::before { content: "－ "; }
.song .story p { margin-top: 6px !important; line-height: 1.9; }
.song .story .pr { color: var(--gold-2) !important; font-size: .74rem !important; }

/* 「どれでもない」・おすすめ2曲・その場で試聴 */
.sd-opt.none { background: transparent; border-style: dashed; color: var(--ivory-2); font-size: .9rem; }
.sd-opt.none span { border-style: dashed; }
.songs.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); max-width: 760px; margin: 0 auto; }
.sd-play { display: flex; align-items: center; gap: 10px; width: 100%; margin: 4px 0 10px; padding: 8px 12px; background: rgba(198, 161, 91, .08); border: 1px solid var(--gold-dim); cursor: pointer; font-size: .8rem; letter-spacing: .1em; color: var(--gold-2); }
.sd-play:hover { border-color: var(--gold); }
.sd-play i { flex: none; width: 0; height: 0; border-left: 9px solid var(--gold-2); border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.sd-play.playing i { width: 9px; height: 11px; border: none; border-left: 3px solid var(--gold-2); border-right: 3px solid var(--gold-2); }
.sd-play .sd-bar { flex: 1; height: 2px; background: rgba(198, 161, 91, .2); position: relative; }
.sd-play .sd-bar em { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--gold); }