:root{
  --navy:#102a54;--navy-deep:#0a1f40;--blue:#2a5db0;--blue-light:#eaf1fb;
  --gold:#c8a14a;--ink:#23292f;--gray:#6b7480;--bg:#f7f9fc;--line-green:#06c755;
  /* ワンポイント三色（青・黄・赤） */
  --tri-blue:#1d6fe0;--tri-yellow:#f2c31d;--tri-red:#d8362a;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
.screen{display:none}.screen.active{display:block}

/* 三色ワンポイントの帯 */
.tricolor-bar{height:5px;width:100%;background:linear-gradient(90deg,var(--tri-blue) 0 33.33%,var(--tri-yellow) 33.33% 66.66%,var(--tri-red) 66.66% 100%)}

header{background:linear-gradient(160deg,var(--navy),var(--navy-deep));color:#fff;text-align:center;padding:66px 24px 88px;position:relative;overflow:hidden}
header::after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:48px;background:var(--bg);clip-path:ellipse(70% 100% at 50% 100%);z-index:2}
.header-inner{position:relative;z-index:3}
.brand{font-size:.8rem;letter-spacing:.3em;color:var(--gold);margin-bottom:28px;font-weight:600}
header h1{font-size:clamp(1.9rem,5vw,2.9rem);font-weight:700;letter-spacing:.05em;line-height:1.5;margin-bottom:22px}
header h1 .accent{color:var(--gold)}
header p.lead{font-size:clamp(.95rem,2.5vw,1.1rem);color:#d6e0f0;max-width:620px;margin:0 auto;font-weight:300}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
section{padding:56px 0}
.intro-lead{max-width:720px;margin:0 auto 44px;text-align:center;font-size:1.02rem}
.series-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;max-width:900px;margin:0 auto}
.series-card{background:#fff;border:1px solid #e6e9ef;border-radius:16px;padding:30px 26px;text-align:left;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;font-family:inherit;display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}
.series-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--tri-blue)}
.series-card:nth-child(2)::before{background:var(--tri-yellow)}
.series-card:nth-child(3)::before{background:var(--tri-red)}
.series-card:nth-child(4)::before{background:var(--navy)}
.series-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(16,42,84,.12);border-color:var(--blue)}
.sc-no{font-size:.72rem;letter-spacing:.18em;color:var(--gold);font-weight:700}
.sc-name{font-size:1.25rem;font-weight:700;color:var(--navy)}
.sc-desc{font-size:.86rem;color:var(--gray);line-height:1.7;flex-grow:1}
.sc-go{font-size:.82rem;font-weight:700;color:var(--blue);margin-top:4px}.sc-go::after{content:" →"}

.line-cta{text-align:center;margin-top:48px}
.line-btn{display:inline-flex;align-items:center;gap:10px;background:var(--line-green);color:#fff;text-decoration:none;padding:16px 40px;border-radius:100px;font-size:1.05rem;font-weight:700;letter-spacing:.04em;box-shadow:0 8px 24px rgba(6,199,85,.35);transition:transform .2s,box-shadow .2s;border:none;cursor:pointer;font-family:inherit}
.line-btn:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(6,199,85,.45)}
.line-btn .icon{width:26px;height:26px;background:#fff;border-radius:7px;color:var(--line-green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem}

.detail-head{background:linear-gradient(160deg,var(--navy),var(--navy-deep));color:#fff;padding:40px 24px 56px;text-align:center;position:relative}
.back-btn{position:absolute;left:20px;top:22px;background:rgba(255,255,255,.12);color:#fff;border:none;border-radius:100px;padding:9px 18px;font-size:.85rem;font-weight:600;cursor:pointer;font-family:inherit;transition:background .2s}
.back-btn:hover{background:rgba(255,255,255,.24)}.back-btn::before{content:"← "}
.dh-no{font-size:.72rem;letter-spacing:.2em;color:var(--gold);font-weight:700;margin-bottom:10px}
.detail-head h2{font-size:clamp(1.4rem,4vw,2rem);font-weight:700;letter-spacing:.03em}
.dh-article{font-size:.85rem;color:#cfd9ec;margin-top:12px}

.block-head{text-align:center;margin:8px 0 34px}
.block-head .label{display:inline-block;font-size:.72rem;letter-spacing:.25em;color:var(--blue);font-weight:700;margin-bottom:10px}
.block-head h3{font-size:clamp(1.3rem,3.6vw,1.7rem);color:var(--navy);font-weight:700}

.survey-stats{display:flex;flex-wrap:wrap;border:1px solid #e6e9ef;border-radius:12px;overflow:hidden;margin:0 auto 34px;background:#fff;max-width:720px}
.survey-stats .st{flex:1 1 33%;min-width:110px;padding:16px 18px;border-right:1px solid #eef1f6;text-align:center}
.survey-stats .st:last-child{border-right:0}
.survey-stats .sk{font-size:.7rem;letter-spacing:.1em;color:var(--gray);margin-bottom:4px}
.survey-stats .sv{font-size:1.6rem;font-weight:700;color:var(--navy)}
.survey-stats .sv small{font-size:.8rem;font-weight:500;color:var(--gray);margin-left:3px}

.survey-block{max-width:720px;margin:0 auto 40px}
.survey-block .bh{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--navy);padding-bottom:8px;margin-bottom:14px}
.bno{font-size:.72rem;color:var(--blue);font-weight:700;letter-spacing:.12em}
.survey-block h4{font-size:1rem;color:var(--navy);font-weight:700;margin:0}
.bhint{margin-left:auto;font-size:.72rem;color:var(--gray)}
.theme-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px 14px;padding:11px 2px;border-bottom:1px solid #f0f2f6}
.theme-row:last-child{border-bottom:0}
.tlabel{font-size:.9rem;display:flex;align-items:center;gap:8px}
.trank{font-size:.72rem;color:var(--gray);min-width:16px}
.theme-row.top .tlabel{font-weight:700;color:var(--navy)}
.tpct{text-align:right;font-size:1.1rem;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums}
.theme-row.top .tpct{color:var(--gold)}
.tpct small{font-size:.68rem;color:var(--gray);font-weight:500;margin-left:3px}
.ttrack{grid-column:1/-1;height:6px;background:#e4e9f1;border-radius:100px;overflow:hidden;margin-top:2px}
.tfill{height:100%;background:var(--navy);border-radius:100px}
.theme-row.top .tfill{background:var(--gold)}

.pie-wrap{display:flex;flex-direction:column;align-items:center;gap:22px}
.pie-figure{position:relative;width:220px;height:220px}
.pie{width:100%;height:100%;border-radius:50%;box-shadow:0 4px 16px rgba(16,42,84,.12)}
.pie-label{position:absolute;transform:translate(-50%,-50%);text-align:center;color:#fff;font-weight:700;line-height:1.15;text-shadow:0 1px 2px rgba(0,0,0,.3);pointer-events:none}
.pie-label .pl-age{font-size:.64rem;display:block}.pie-label .pl-pct{font-size:.88rem}
.pie-legend{width:100%;max-width:460px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}
.pie-legend-row{display:flex;align-items:center;gap:10px;font-size:.86rem;border-bottom:1px solid #f0f2f6;padding:8px 0}
.pie-dot{width:12px;height:12px;border-radius:3px;flex:0 0 auto}
.pie-lk{font-weight:600}.pie-lv{margin-left:auto;color:var(--navy);font-weight:700}
.pie-lv small{font-size:.7rem;color:var(--gray);font-weight:500}.pie-lv em{font-style:normal;color:var(--blue);margin-left:5px}
@media(max-width:480px){.pie-legend{grid-template-columns:1fr}}

/* 月切り替え */
.month-switch{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:0 auto 30px;max-width:720px}
.month-btn{appearance:none;background:#fff;border:1px solid #dfe4ec;color:var(--gray);font-family:inherit;font-size:.86rem;font-weight:600;padding:8px 18px;border-radius:100px;cursor:pointer;transition:all .18s}
.month-btn:hover{color:var(--navy);border-color:var(--blue)}
.month-btn[aria-selected="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}

.voices{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;max-width:1000px;margin:0 auto}
.voice-card{background:#fff;border-radius:14px;padding:26px 26px 22px;box-shadow:0 4px 18px rgba(16,42,84,.06);border:1px solid #eef1f6;display:flex;flex-direction:column}
.voice-theme{display:inline-block;align-self:flex-start;background:var(--blue-light);color:var(--blue);font-size:.7rem;font-weight:600;padding:4px 12px;border-radius:100px;margin-bottom:14px}
.voice-body{font-size:.98rem;line-height:1.85}
.vb-clip{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.voice-body.open .vb-clip{-webkit-line-clamp:unset;overflow:visible}
.more-btn{align-self:flex-start;margin-top:10px;background:none;border:none;color:var(--blue);font-weight:700;font-size:.82rem;cursor:pointer;font-family:inherit;padding:2px 0}
.voice-meta{margin-top:18px;padding-top:16px;border-top:1px solid #f0f2f6;display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px}
.voice-age{font-size:1.15rem;font-weight:700;color:var(--blue)}
.voice-gender{font-size:.92rem;font-weight:500;color:var(--gray)}
.loading{text-align:center;color:var(--gray);padding:30px}
footer{background:var(--navy-deep);color:#8fa0bd;text-align:center;padding:32px 24px;font-size:.8rem;letter-spacing:.05em}
@media(max-width:600px){header{padding:56px 20px 72px}.survey-stats .st{flex:1 1 100%;border-right:0;border-bottom:1px solid #eef1f6}.survey-stats .st:last-child{border-bottom:0}}