:root{--bg:#d0ece7;--paper:#f3faf8;--ink:#20383d;--muted:#45616a;--teal:#286875;--line:#a9c9c4;--peach:#ffe0b2;--soft:#deefeb;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:var(--bg);font-size:18px}
*{box-sizing:border-box}body{margin:0;line-height:1.8}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:3px}a{color:var(--teal)}[hidden]{display:none!important}
.header{max-width:1080px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:24px 32px;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:.06em;line-height:1.4}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:var(--teal);color:var(--paper);border-radius:50%;font-family:serif;font-size:27px;font-weight:400;flex-shrink:0}.brand small{display:block;font-size:11px;letter-spacing:.15em;font-weight:500;margin-top:5px}.round{width:48px;height:48px;border-radius:50%;background:transparent;border:1px solid var(--line);color:var(--ink);flex-shrink:0}
main{max-width:920px;margin:auto;padding:0 32px}.hero{position:relative;overflow:hidden;border-radius:24px;background:var(--teal);color:var(--paper);padding:35px 40px 0;min-height:330px}.hero-label{position:relative;z-index:1;font-size:13px;letter-spacing:.15em;display:flex;align-items:center;gap:8px;color:#e1f1ee}.hero-label span{width:6px;height:6px;border-radius:100%;background:var(--peach)}h1{position:relative;z-index:1;font-family:serif;letter-spacing:.06em;font-size:46px;line-height:1.4;font-weight:600;margin:17px 0 12px}.hero p{position:relative;z-index:1;font-size:17px;line-height:1.9;color:#e9f5f3;margin:0}.hero-bottom{position:relative;z-index:1;border-top:1px solid #ffffff45;display:flex;justify-content:space-between;gap:16px;margin-top:28px;padding:17px 0;font-size:13px}.hero-art{position:absolute;right:15%;top:45px;width:230px;height:220px;pointer-events:none}.sun{width:84px;height:84px;background:var(--peach);border-radius:50%;position:absolute;left:90px;top:0}.mountain{position:absolute;bottom:15px;background:#3a8e9e;clip-path:polygon(0 100%,50% 0,100% 100%);width:240px;height:170px}.m2{background:#7bb8bc;left:75px;height:130px;width:200px}.ticket-stamp{position:absolute;right:-80px;top:20px;border:1px solid #ffe0b2a0;border-radius:50%;width:94px;height:94px;display:flex;justify-content:center;align-items:center;flex-direction:column;transform:rotate(12deg);font:27px serif;color:#ffe0b2}.ticket-stamp small{font-size:12px;margin-top:3px}
.search-wrap{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;margin-top:22px;padding:4px 17px;min-height:62px}.search-wrap svg{width:23px;fill:none;stroke:var(--teal);stroke-width:1.8;flex-shrink:0}.search-wrap input{width:100%;min-width:0;border:0;background:none;outline:none;font-size:17px;padding:15px 0;color:var(--ink)}.search-wrap input::placeholder{color:var(--muted)}.search-wrap button{background:none;color:var(--muted);font-size:28px;min-width:36px;min-height:44px}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:32px 0 16px}.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:650;color:var(--muted)}h2{font-size:24px;letter-spacing:.03em;margin:7px 0 0;font-weight:650;line-height:1.6}.caption{font-size:15px;color:var(--muted);line-height:1.8}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick{position:relative;padding:20px 16px;background:var(--paper);text-align:left;border:1px solid var(--line);border-radius:15px;display:flex;align-items:center;gap:12px;color:var(--ink);transition:transform .15s,background .15s;min-height:110px}.quick:hover{background:var(--soft);transform:translateY(-2px)}.quick-icon{width:44px;height:44px;border-radius:12px;background:#d0ece7;display:grid;place-items:center;font-size:27px;flex-shrink:0}.quick:nth-child(2) .quick-icon,.quick:nth-child(5) .quick-icon{background:#ffe0b2}.quick strong{display:block;font-size:18px;font-weight:700;line-height:1.65}.quick small{display:block;font-size:14px;color:var(--muted);margin-top:5px;line-height:1.7}.quick .arrow{display:none}
.filter-row{display:flex;flex-wrap:wrap;gap:9px;padding:3px 0 8px}.chip{border:1px solid var(--line);border-radius:24px;padding:10px 16px;font-size:16px;color:var(--ink);background:var(--paper);min-height:48px;line-height:1.6;text-align:center}.chip.active{background:var(--teal);border-color:var(--teal);color:var(--paper);font-weight:700}.guide-heading{margin-bottom:12px}.text-button{padding:10px 0;background:none;color:var(--teal);font-size:16px;text-decoration:underline;text-underline-offset:4px;flex-shrink:0}.guide-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;margin:14px 0;overflow:hidden}.guide-card summary{list-style:none;cursor:pointer;padding:22px;display:flex;gap:15px;align-items:center}.guide-card summary::-webkit-details-marker{display:none}.guide-card summary:after{content:'＋';margin-left:auto;font-size:24px;color:var(--teal);flex-shrink:0}.guide-card[open] summary:after{content:'−'}.card-label{font-size:14px;color:var(--muted);display:block;margin-bottom:6px}.card-title{font-size:21px;font-weight:700;line-height:1.7}.card-body{padding:0 22px 22px;font-size:18px;line-height:1.95}.card-body .lead{margin:0 0 18px;font-weight:650;color:var(--teal);background:var(--soft);padding:15px;border-radius:9px}.card-body p{margin:12px 0}.steps{counter-reset:step;list-style:none;padding:0;margin:0}.steps li{counter-increment:step;position:relative;padding:0 0 20px 38px}.steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:3px;font:17px Georgia,serif;color:var(--teal)}.card-body ul{padding-left:22px}.source{display:inline-block;font-size:15px;margin-top:15px;line-height:1.9;text-underline-offset:3px;overflow-wrap:anywhere}.inline-phrase{display:block;width:100%;text-align:left;background:#ffe0b2;border-radius:10px;padding:16px;color:var(--teal);margin-top:14px;font-size:17px;line-height:1.8}.inline-phrase:after{content:' ↗'}.note-box{background:var(--soft);border-radius:14px;padding:22px;margin:30px 0 10px;font-size:16px;line-height:1.9}.note-box strong{font-size:18px}.note-box p{margin:10px 0}.note-box small{color:var(--muted);font-size:14px}.footer{max-width:920px;padding:24px 32px 135px;margin:auto;display:flex;flex-wrap:wrap;justify-content:space-between;color:var(--muted);font-size:14px;gap:8px 16px}
.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;background:var(--paper);backdrop-filter:blur(12px);border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom,0px)}.bottom-nav button{background:none;color:var(--muted);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:11px 20px 13px;font-size:17px;flex:1;max-width:360px;position:relative;min-height:86px;line-height:1.5}.bottom-nav button.active{color:var(--teal);font-weight:700;background:#bee0dc}.bottom-nav button.active:before{content:'';width:40px;height:4px;background:var(--teal);position:absolute;top:0;border-radius:0 0 4px 4px}.nav-icon{font-size:25px;line-height:30px}
.page-intro{padding:25px 0 15px}.page-intro h1{font-size:36px;margin:14px 0}.page-intro p{font-size:18px;line-height:1.9;color:var(--muted)}#phrase-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:5px 0 24px;padding:0}#phrase-filters .chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;border-radius:14px;min-height:104px;padding:16px 10px;font-size:19px;font-weight:650;white-space:normal;line-height:1.6}#phrase-filters .chip.active{box-shadow:inset 0 0 0 2px var(--teal)}.scene-icon{display:block;font-size:30px;line-height:1.15}.phrase-card{display:flex;background:var(--paper);border:1px solid var(--line);border-radius:14px;margin:12px 0;overflow:hidden}.phrase-main{background:none;color:var(--ink);flex:1;text-align:left;padding:20px;min-width:0;min-height:110px}.phrase-main strong{font-size:19px;display:block;font-weight:650;line-height:1.8}.phrase-main span{display:block;font-size:18px;color:var(--muted);margin-top:8px;line-height:1.8}.phrase-main .expand-hint{display:block;font-size:15px;margin-top:10px;color:var(--muted)}.favorite{align-self:stretch;background:none;color:#526e74;width:54px;flex-shrink:0;font-size:28px}.favorite.selected{color:#94612e}.empty{text-align:center;padding:35px 16px;font-size:18px;line-height:1.9;color:var(--muted)}.primary,.secondary{padding:15px 18px;border-radius:10px;min-height:54px;font-size:18px;font-weight:600;line-height:1.7}.primary{background:var(--teal);color:var(--paper)}.secondary{background:var(--soft);color:var(--teal);border:1px solid var(--line)}.size-controls{display:flex;gap:10px}.size-controls button{flex:1;padding:14px 8px}
dialog{color:var(--ink);background:var(--bg);border:0;border-radius:20px;padding:25px;max-height:90dvh;width:min(580px,calc(100% - 28px));box-shadow:0 20px 80px #12382e30}dialog::backdrop{background:#163a35a8;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.dialog-head h2{margin:0}dialog p{line-height:1.9;font-size:18px}dialog h3{margin-top:24px;font-size:20px}#phrase-dialog{padding:22px;min-height:75dvh;display:none;flex-direction:column;background:var(--paper)}#phrase-dialog[open]{display:flex}.show-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;color:var(--muted)}.show-body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:30px 0;text-align:center}#large-phrase{font-size:clamp(40px,8vw,64px);font-weight:650;line-height:1.7;letter-spacing:.04em;margin:0;overflow-wrap:anywhere}.show-divider{width:36px;height:3px;background:var(--peach);margin:27px auto 18px}.show-body #phrase-meaning{font-size:18px;color:var(--ink);margin:0}.show-body small{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.8}.show-actions{display:flex;gap:10px}.show-actions button{flex:1;font-size:17px;padding:14px 8px}#speech-status{margin:10px 0 0;text-align:center}
.large-text .card-body,.large-text .page-intro p,.large-text dialog p{font-size:22px}.large-text .card-title{font-size:24px}.large-text .phrase-main strong,.large-text .phrase-main span{font-size:23px}.large-text .quick strong{font-size:21px}.large-text .chip{font-size:20px}.large-text #phrase-filters .chip{font-size:22px}.large-text .inline-phrase{font-size:21px}
@media(max-width:600px){.header{padding:18px 16px}.brand{font-size:18px}.brand small{font-size:10px}main{padding:0 16px}.hero{padding:27px 24px 0;border-radius:19px;min-height:320px}.hero h1{font-size:38px}.hero-art{right:5%;top:85px;transform:scale(.75);transform-origin:right bottom;opacity:.24}.hero-bottom{margin-top:28px;font-size:13px}.hero-bottom span:last-child{display:none}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.quick{padding:17px 14px;gap:10px;border-radius:13px;flex-direction:column;align-items:flex-start;min-height:145px}.quick-icon{width:42px;height:42px;font-size:27px}.quick strong{font-size:18px}.quick small{font-size:14px}.section-title>.caption{display:none}.guide-card summary{padding:18px}.card-body{padding:0 18px 20px}.footer{padding-left:16px;padding-right:16px}.page-intro h1{font-size:32px}.search-wrap{padding:4px 12px;gap:9px}.search-wrap input{font-size:16px}.bottom-nav button{padding-left:8px;padding-right:8px}.ticket-stamp{right:-30px}#phrase-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}#phrase-filters .chip{font-size:19px;min-height:106px}.phrase-main{padding:18px 16px}.favorite{width:48px}dialog{padding:20px}.show-actions button{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.fare-table{border-collapse:collapse;width:100%;margin:22px 0;table-layout:fixed}.fare-table caption{text-align:left;font-weight:700;margin-bottom:10px}.fare-table th,.fare-table td{text-align:left;vertical-align:top;padding:12px 8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.fare-table th:first-child{width:64%}.fare-table thead{background:var(--soft)}.fare-table small{font-size:.85em}

.scene-note{background:var(--soft);border-radius:12px;padding:18px;margin:16px 0;font-size:18px;line-height:1.9}.scene-note p{margin:8px 0 0}.large-text .scene-note{font-size:22px}