:root{--bg:#f5f7f8;--paper:#fff;--ink:#172026;--muted:#65717a;--line:#dce3e7;--accent:#236c5b;--accent2:#e7f3ef;--warn:#8a5b00;--warnbg:#fff7df;--rail:#92a2aa;--good:#176b55;--bad:#9a3f38}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;line-height:1.55}.wrap{max-width:980px;margin:auto;padding:24px 16px 56px}.hero{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:12px 2px 18px}.eyebrow{margin:0 0 4px;font-size:.78rem;font-weight:900;letter-spacing:.08em;color:var(--accent)}h1{font-size:clamp(2rem,6vw,3.6rem);line-height:1;margin:0 0 12px;letter-spacing:-.04em}.lead{max-width:690px;margin:0;color:var(--muted)}.hero-badge{background:var(--ink);color:#fff;border-radius:999px;padding:10px 16px;font-weight:900;white-space:nowrap}.notice{background:var(--warnbg);border:1px solid #ead8a4;border-radius:14px;padding:12px 14px;font-size:.86rem;color:#5f4b14}.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:20px;margin:16px 0}.panel.compact{padding-bottom:16px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.section-head>div{display:flex;align-items:center;gap:10px}.section-head h2,.compact h2{font-size:1.2rem;margin:0}.step{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800}.account-form,.route-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.route-form{grid-template-columns:1fr auto 1fr}.route-form>label:nth-of-type(3),.route-form fieldset,.route-form .search{grid-column:1/-1}.account-form .primary{align-self:end}label{font-size:.86rem;font-weight:700;color:#445059;display:flex;flex-direction:column;gap:6px}select,input,button{font:inherit}select,input[type=text],input[type=number]{width:100%;min-height:46px;border:1px solid #cbd5da;border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink)}select:focus,input:focus,button:focus-visible{outline:3px solid rgba(35,108,91,.2);outline-offset:1px;border-color:var(--accent)}.fee-input{display:flex;align-items:center;border:1px solid #cbd5da;border-radius:10px;overflow:hidden;background:#fff}.fee-input input{border:0;border-radius:0}.fee-input span{padding:0 12px;color:var(--muted);font-weight:700}.switch-row{flex-direction:row;align-items:center;min-height:46px;border:1px solid #d9e1e5;border-radius:10px;padding:10px 12px}.switch-row input{width:20px;height:20px}.primary,.ghost,.swap,.remove,.use-candidate{border:0;border-radius:10px;cursor:pointer;min-height:46px;padding:10px 16px;font-weight:800}.primary{background:var(--accent);color:#fff}.ghost{background:#eef2f4;color:#334047}.ghost.strong{border:1px solid #d6dfe3}.swap{align-self:end;width:46px;padding:0;background:#eef2f4;color:#334047}.hint{font-size:.84rem;color:var(--muted);margin-top:12px;padding:10px 12px;background:#f7f9fa;border-radius:10px}.account-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.account-card{border:1px solid var(--line);border-radius:14px;padding:13px;display:flex;justify-content:space-between;gap:12px}.account-card h3{font-size:1rem;margin:0 0 3px}.account-meta{font-size:.8rem;color:var(--muted)}.tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.tag{font-size:.72rem;border-radius:999px;background:#eef2f4;padding:3px 7px}.tag.green{background:var(--accent2);color:#135647}.remove{min-height:36px;padding:5px 9px;background:#f3f5f6;color:#6a747a}.route-form fieldset{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.route-form legend{font-size:.86rem;font-weight:800;margin-bottom:6px}.radio{display:flex;flex-direction:row;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:8px 12px}.radio input{width:auto}.small{font-size:.8rem;color:var(--muted);margin-bottom:0}.hidden{display:none}.result-hero{display:flex;justify-content:space-between;gap:16px;align-items:end;padding:14px;border-radius:14px;background:var(--accent2);margin-bottom:12px}.result-hero .price{font-size:2rem;font-weight:900;color:#124d40}.result-hero p{margin:0}.routes{display:grid;gap:12px}.route-card{border:1px solid var(--line);border-radius:16px;padding:16px}.route-top{display:flex;justify-content:space-between;gap:12px;align-items:start;margin-bottom:14px}.route-top h3{margin:0;font-size:1rem}.metrics{display:flex;gap:7px;flex-wrap:wrap}.metric{background:#f2f5f6;border-radius:999px;padding:5px 9px;font-size:.76rem;font-weight:800}.rail{position:relative;margin-left:11px;padding-left:28px;border-left:4px solid var(--rail)}.station{position:relative;padding:0 0 15px}.station:last-child{padding-bottom:0}.station:before{content:"";position:absolute;left:-38px;top:3px;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid var(--ink)}.station-name{font-weight:900}.leg{margin-top:4px;font-size:.82rem;color:var(--muted);background:#f7f9fa;border-radius:8px;padding:7px 9px}.leg strong{color:var(--ink)}.route-note{font-size:.78rem;color:#6a747a;margin:11px 0 0}.coverage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.coverage-grid div{background:#f6f8f9;border-radius:12px;padding:12px;text-align:center}.coverage-grid strong{display:block;font-size:1.6rem}.coverage-grid span{font-size:.76rem;color:var(--muted)}
.optimizer-panel{overflow:hidden}.optimizer-lead{color:var(--muted);margin:-4px 0 16px}.optimizer-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.optimizer-box{background:#f7f9fa;border:1px solid var(--line);border-radius:16px;padding:14px}.optimizer-box h3{font-size:.95rem;margin:0 0 12px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.optimizer-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.optimizer-results,.ranking-results{margin-top:16px}.impact-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;border-top:1px solid var(--line);padding-top:16px}.impact-head h3{margin:3px 0 0;font-size:1.25rem}.impact-head h3 small{font-size:.72rem;font-weight:600;color:var(--muted)}.impact-kicker{font-size:.72rem;color:var(--muted);font-weight:800}.impact-verdict{font-size:1.35rem;font-weight:900}.impact-verdict.good{color:var(--good)}.impact-verdict.bad{color:var(--bad)}.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}.impact-card{border:1px solid var(--line);border-radius:13px;padding:12px;min-width:0}.impact-card>span{display:block;font-size:.72rem;color:var(--muted);font-weight:800}.impact-card strong{display:block;font-size:1.02rem;margin:5px 0;overflow-wrap:anywhere}.impact-card small{display:block;font-size:.72rem;color:var(--muted)}.coverage-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.coverage-compare>div>span{display:block;font-size:.77rem;font-weight:800;margin-bottom:5px}.bar{height:10px;background:#e8edef;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent);border-radius:999px}.network-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.network-chip{font-size:.76rem;border-radius:999px;padding:5px 9px;background:#eef2f4}.network-chip.both{background:var(--accent2);color:#135647;font-weight:800}.ranking-head{border-top:1px solid var(--line);padding-top:16px}.ranking-head h3{margin:0 0 2px;font-size:1rem}.ranking-head p{margin:0;color:var(--muted);font-size:.78rem}.ranking-list{display:grid;gap:8px;margin-top:10px}.rank-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto auto;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:9px 10px}.rank-no{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#eef2f4;font-weight:900}.rank-main,.rank-stats{min-width:0}.rank-main strong,.rank-main span,.rank-stats strong,.rank-stats span{display:block}.rank-main span,.rank-stats span{font-size:.72rem;color:var(--muted)}.rank-stats{text-align:right}.rank-stats strong{font-size:.85rem}.use-candidate{min-height:38px;padding:7px 10px;background:var(--accent2);color:#135647}footer{font-size:.77rem;color:var(--muted);padding:8px 4px}
@media(max-width:800px){.impact-grid{grid-template-columns:1fr 1fr}.optimizer-grid{grid-template-columns:1fr}.rank-row{grid-template-columns:34px minmax(0,1fr) auto}.rank-stats{grid-column:2/3;text-align:left}.use-candidate{grid-row:1/3;grid-column:3}}
@media(max-width:700px){.hero{align-items:flex-start;flex-direction:column}.hero-badge{font-size:.82rem}.account-form,.route-form{grid-template-columns:1fr}.route-form .swap{align-self:center;justify-self:center;transform:rotate(90deg)}.route-form>label:nth-of-type(3),.route-form fieldset,.route-form .search{grid-column:auto}.account-list{grid-template-columns:1fr}.coverage-grid{grid-template-columns:1fr 1fr 1fr}.result-hero{align-items:flex-start;flex-direction:column}.route-top,.impact-head{align-items:flex-start;flex-direction:column}.mini-grid{grid-template-columns:1fr}.coverage-compare{grid-template-columns:1fr}}
@media(max-width:430px){.impact-grid{grid-template-columns:1fr}.coverage-grid{grid-template-columns:1fr}.rank-row{grid-template-columns:30px minmax(0,1fr)}.rank-stats{grid-column:2}.use-candidate{grid-column:1/-1;grid-row:auto;width:100%}}
.switch-row.is-disabled{background:#f4f5f6;color:#89939a;border-color:#e1e6e9}.switch-row.is-disabled input{cursor:not-allowed;opacity:.55}.hint.bad,.field-status.bad{color:var(--bad);background:#fff1f0;border-color:#efc8c4}.hint.good,.field-status.good{color:var(--good);background:#edf7f3;border-color:#cfe7de}.field-status{font-size:.75rem;color:var(--muted);padding:7px 9px;border:1px solid transparent;border-radius:9px;align-self:end}.route-alert{margin:12px 0;border:1px solid #e7b7b2;background:#fff3f2;border-radius:14px;padding:13px 14px;color:var(--bad)}.route-alert>strong{display:block;font-size:.95rem;margin-bottom:7px}.route-alert p{margin:8px 0 3px;font-size:.78rem;font-weight:900}.route-alert ul{margin:0;padding-left:1.2rem}.route-alert li{margin:3px 0;font-size:.8rem;line-height:1.55}.route-alert li strong{color:#7f302a}.route-alert+.small{color:var(--bad);font-weight:700}

/* v3: two-bank quick search */
.quick-route-form{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:end}.quick-search{grid-column:1/-1;font-size:1.02rem}.advanced-details{grid-column:1/-1;border-top:1px solid var(--line);padding-top:12px}.advanced-details summary,.disclosure-panel>summary{cursor:pointer;list-style:none;font-weight:850;color:#334047;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}.advanced-details summary::-webkit-details-marker,.disclosure-panel>summary::-webkit-details-marker{display:none}.advanced-details summary:after,.disclosure-panel>summary:after{content:"＋";font-size:1.2rem;color:var(--muted)}.advanced-details[open] summary:after,.disclosure-panel[open]>summary:after{content:"−"}.advanced-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.advanced-grid fieldset{border:0;padding:0;margin:0;display:flex;align-items:end;flex-wrap:wrap;gap:8px}.advanced-grid legend{font-size:.86rem;font-weight:800;margin-bottom:6px}.endpoint-settings{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.endpoint-box{border:1px solid var(--line);background:#f8fafb;border-radius:14px;padding:13px;display:grid;gap:10px}.endpoint-box h3{margin:0;font-size:.92rem}.quick-note{margin-top:10px}.disclosure-panel>summary span{font-size:.76rem;color:var(--muted);font-weight:700}.disclosure-body{padding-top:14px}.compact-head{margin-top:12px}.compact-head h2{font-size:1rem;margin:0}.muted-tag{color:var(--muted)}.error-note{color:var(--bad);font-weight:800}.quick-panel select{font-weight:750}
@media(max-width:700px){.quick-route-form{grid-template-columns:1fr}.quick-route-form .swap{align-self:center;justify-self:center;transform:rotate(90deg)}.quick-search,.advanced-details{grid-column:auto}.advanced-grid,.endpoint-settings{grid-template-columns:1fr}}