:root{--bg:#06080f;--bg-2:#0b1020;--panel:#111a30;--line:rgba(180,210,235,.14);--text:#e9eef6;--muted:#93a4bd;--silver:#c8d6e6;--accent:#4fd0d6;--gold:#e7b765;--ink:var(--text);color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.8 'Noto Sans JP',sans-serif;letter-spacing:.02em;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{border:1px solid var(--line);background:var(--bg-2);border-radius:7px;cursor:pointer}button:hover,a:hover{color:var(--accent)}button:disabled{opacity:.45;cursor:default}select,input{background:var(--bg-2);border:1px solid var(--line);border-radius:7px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{position:relative;z-index:30;display:flex;justify-content:space-between;align-items:center;min-height:86px;padding:14px 28px;border-bottom:1px solid var(--line);background:linear-gradient(120deg,#06080f,#0b1020)}.brand{display:flex;gap:14px;align-items:center;color:var(--silver)}.brand-symbol{display:grid;place-items:center;width:52px;height:52px;border:1px solid #4fd0d644;border-radius:50%;font-size:40px;color:var(--accent)}.brand-logo{width:52px;height:52px;object-fit:contain;border-radius:9px;flex-shrink:0}.brand-lines{display:flex;flex-direction:column;line-height:1.2}.brand-lines strong{font:500 23px 'Oswald',sans-serif;letter-spacing:.21em;white-space:nowrap}.brand-lines>span{font-size:10px;letter-spacing:.18em}.brand-lines small{font:500 11px 'Oswald',sans-serif;letter-spacing:.2em;color:var(--muted);margin-top:2px}.menu-button{display:flex;align-items:center;gap:16px;font-size:12px;letter-spacing:.22em;background:none;border:0;padding:10px 0 10px 16px}.hamburger{width:28px;height:18px;border-top:2px solid var(--silver);border-bottom:2px solid var(--silver);position:relative}.hamburger:after{content:'';position:absolute;left:0;right:0;top:6px;border-top:2px solid var(--silver)}.site-menu{position:absolute;top:calc(100% - 1px);right:20px;display:grid;width:min(360px,calc(100vw - 30px));padding:16px;border:1px solid var(--line);background:#0b1020f7;box-shadow:0 20px 50px #0008;backdrop-filter:blur(12px)}.site-menu a{padding:11px 12px;border-bottom:1px solid var(--line);font-size:12px}.site-menu a[aria-current]{color:var(--accent)}.tool-nav{display:flex;justify-content:center;gap:30px;align-items:center;max-width:1280px;margin:auto;min-height:43px;padding:7px 24px;border-bottom:1px solid var(--line);font-size:11px}.tool-nav>span{font:400 11px 'Oswald',sans-serif;letter-spacing:.15em;color:var(--muted)}.tool-nav>a[aria-current]{color:var(--accent)}
main{max-width:1320px;margin:auto;padding:0 24px 28px;display:grid;grid-template-columns:minmax(0,1fr)320px;gap:14px;align-items:start}.page-intro{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;padding:25px 0 5px}.eyebrow{display:block;font:500 11px 'Oswald',sans-serif;letter-spacing:.19em;color:var(--accent)}.page-intro h1{font-size:25px;letter-spacing:.07em;margin:6px 0 4px;line-height:1.5}.page-intro p{margin:0;color:var(--muted);font-size:11px}.beta-tag,.reference{border:1px solid #e7b76555;color:var(--gold);background:#e7b7650b;border-radius:20px;padding:5px 12px;font-size:10px;white-space:nowrap}.toolbar{grid-column:1/-1;display:grid;grid-template-columns:minmax(400px,1fr)auto auto;gap:9px;align-items:center}.modes{grid-column:1;grid-row:1;display:flex;padding:3px;border:1px solid var(--line);border-radius:9px;background:#0a0f1a}.modes button{flex:1;line-height:1.5;padding:9px 8px;border:0;background:none;font-size:11px}.modes button small{display:block;font-size:8px;color:var(--muted);margin-top:3px;letter-spacing:.04em}.modes button.active{background:var(--accent);color:#06151c;font-weight:700}.modes button.active small{color:#12323c}.date-tools{grid-column:2;grid-row:1;display:flex;align-items:center;padding:3px;background:var(--bg-2);border:1px solid var(--line);border-radius:7px;gap:3px}.date-tools button{border:0;background:none;font-size:23px;padding:0 7px}.date-tools input{width:129px;border:0;font-size:11px;padding:6px 2px}.date-tools>span{font:10px 'Oswald',sans-serif;padding:0 5px;color:var(--muted)}.home-button{grid-column:3;grid-row:1;padding:11px 13px;font-size:10px;white-space:nowrap}.region-tools{grid-column:1/-1;grid-row:2;display:flex;gap:8px;align-items:center}.region-tools button,.region-tools select{padding:8px 11px;font-size:10px}.region-tools select{min-width:180px}.mode-explanation{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;align-items:start;column-gap:20px;padding-bottom:2px}.mode-explanation>p{font-size:11px;color:var(--muted);margin:0}.mode-explanation details{display:contents}.mode-explanation summary{grid-column:2;grid-row:1;font-size:11px;cursor:pointer;color:var(--accent);white-space:nowrap}.mode-comparison{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:15px}.mode-comparison article{padding:20px;background:var(--bg-2);border:1px solid var(--line);border-radius:9px}.mode-comparison article>span{font-size:9px;letter-spacing:.06em;color:var(--accent)}.mode-comparison h2{font-size:15px;margin:7px 0 10px}.mode-comparison p{font-size:11px;color:var(--muted);line-height:1.9;margin:0 0 12px}.mode-comparison b{color:var(--gold);font-size:10px;font-weight:400}.comparison-note{grid-column:1/-1;font-size:10px;color:var(--muted);margin:8px 0}.mode-explanation details:not([open])>.mode-comparison,.mode-explanation details:not([open])>.comparison-note{display:none}
#map{grid-column:1;grid-row:4;position:relative;min-width:0;width:100%;height:clamp(490px,62vh,720px);background:#bed2ff;border:1px solid #39485c;border-radius:9px;overflow:hidden;touch-action:none;cursor:crosshair}#base,#arrows,#googleMap{position:absolute;inset:0;width:100%;height:100%}#base{filter:saturate(.75) brightness(.85)}#arrows{z-index:2;pointer-events:none}#googleMap{display:none}body.google #googleMap{display:block}body.google #base{display:none}.map-top{position:absolute;top:12px;left:12px;right:12px;display:flex;gap:6px;flex-wrap:wrap;z-index:3;pointer-events:none}.status-chip,.area-chip{padding:6px 9px;font-size:9px;line-height:1.8;color:var(--text);background:#0a1223ed;border:1px solid #42536a;border-radius:5px;pointer-events:auto;box-shadow:0 2px 8px #0002}.status-chip:before{content:'';display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:7px}.area-chip{color:var(--silver)}.map-guide,.gesture-help{position:absolute;left:12px;z-index:3;font-size:9px;background:#0a1223e8;color:var(--silver);padding:4px 7px;border-radius:4px;pointer-events:none;max-width:82%}.map-guide{top:51px}.gesture-help{top:79px;color:#adbdcc;font-size:8px}.map-controls{position:absolute;top:111px;right:12px;display:grid;gap:4px;z-index:4}.map-controls button{width:36px;height:36px;font-size:21px;border-color:#42536a;background:#0a1223ed;box-shadow:0 2px 8px #0003}.north{position:absolute;bottom:145px;right:22px;z-index:3;text-align:center;font:12px/1.7 'Oswald',sans-serif;color:#102c39;text-shadow:0 0 5px white}.map-bottom{position:absolute;left:12px;right:12px;bottom:29px;z-index:3;display:flex;justify-content:space-between;align-items:flex-end;gap:8px;pointer-events:none}#scale{background:#0a1223ed;color:var(--silver);min-width:60px;text-align:center;padding:3px 7px;border-bottom:3px solid var(--silver);font-size:9px}.legend{display:flex;align-items:center;gap:6px;border:1px solid #42536a;border-radius:5px;background:#0a1223ed;padding:6px 9px;font-size:9px}.legend i{width:16px;height:3px;background:#8ac8c4}.legend i:nth-of-type(2){background:var(--gold)}.legend b{font-size:8px;color:var(--muted);font-weight:400;margin-left:4px}.credit{position:absolute;bottom:0;left:0;right:0;z-index:3;background:#0a1223df;color:var(--silver);padding:4px 7px;font-size:7px;line-height:1.5}.point-peek{position:absolute;left:12px;bottom:85px;z-index:4;max-width:calc(100% - 66px);display:flex;gap:11px;align-items:center;text-align:left;background:#0a1223f2;border:1px solid #4fd0d67a;padding:10px 12px;box-shadow:0 3px 18px #0003}.peek-arrow{display:inline-block;font-size:27px;line-height:1;color:var(--accent)}.point-peek b{display:block;font-size:11px;font-weight:500}.point-peek small{display:block;color:var(--muted);font-size:8px;margin-top:3px}.peek-detail{font-size:9px;color:var(--accent);margin-left:5px;white-space:nowrap}.coverage-legend{position:absolute;left:12px;bottom:143px;z-index:3;max-width:calc(100% - 66px);display:flex;flex-wrap:wrap;gap:6px 12px;padding:8px 10px;background:#0a1223ef;border:1px solid #42536a;border-radius:5px;font-size:9px;pointer-events:none}.coverage-legend span{display:flex;align-items:center;gap:5px}.coverage-legend small{display:block;width:100%;color:var(--muted);font-size:8px}.coverage-legend i{display:inline-block;width:18px;height:8px;border:2px solid #519ced}.coverage-legend i.local-key{border-color:#4fc9ac;border-style:dashed}#toast{position:absolute;bottom:83px;left:50%;transform:translateX(-50%);z-index:8;display:none;width:max-content;max-width:90%;background:#0a1223f7;border:1px solid #4fd0d655;padding:11px 15px;color:var(--text);border-radius:7px;font-size:11px;box-shadow:0 10px 30px #0005}
#inspector{grid-column:2;grid-row:4/span 2;background:linear-gradient(150deg,#0b1020,#080c15);border:1px solid var(--line);border-radius:9px;padding:21px;min-width:0}.point-head{display:flex;justify-content:space-between;gap:7px;align-items:center}.point-head h1{font-size:14px;line-height:1.6;margin:6px 0 0;font-weight:500}.reference{font-size:8px;padding:4px 7px;max-width:90px;white-space:normal;border-radius:5px;text-align:center}.point-summary{display:flex;gap:11px;align-items:center;margin-top:25px}.compass{position:relative;display:grid;place-items:center;width:52px;height:52px;border-radius:50%;border:1px solid #4fd0d64d;background:#4fd0d607;flex-shrink:0}.compass>span{position:absolute;top:2px;font-size:7px;color:var(--muted)}.compass>div{font-size:36px;color:var(--accent);line-height:1}.reading b{font-size:21px;font-weight:500;white-space:nowrap}.reading>span{display:block;font-size:9px;color:var(--muted);max-width:125px;margin-top:5px;line-height:1.6}.speed{margin-left:auto;text-align:right}.speed>b{display:block;font:400 35px/1.2 'Oswald',sans-serif}.speed>span{font-size:8px;white-space:nowrap;color:var(--muted)}.point-metrics{display:flex;gap:5px;flex-wrap:wrap;padding-bottom:16px;margin-top:20px;border-bottom:1px solid var(--line);font-size:9px;color:var(--silver)}.point-metrics span{background:#142034;padding:4px 6px;border-radius:4px}.seat-controls{display:flex;gap:10px;margin-top:17px}.seat-controls label{width:50%;font-size:9px;color:var(--muted)}.seat-controls select{display:block;width:100%;padding:8px 5px;margin-top:5px;font-size:10px}.relative{padding:12px;margin-top:15px;background:#4fd0d609;border-left:2px solid var(--accent);border-radius:3px}.relative>span{display:block;font-size:9px;color:var(--muted);margin-bottom:5px}.relative b{font-size:11px;font-weight:500}.point-note{font-size:10px;color:var(--muted);line-height:1.9;margin:15px 0}.point-actions{display:flex;gap:6px;justify-content:space-between;align-items:center}.point-actions button{font-size:9px;padding:8px}.point-actions a{font-size:9px;color:var(--accent)}.coordinates{font:10px 'Oswald',sans-serif;letter-spacing:.06em;color:var(--muted);margin:14px 0 0}
.time-panel{grid-column:1;grid-row:5;width:100%;padding:17px 20px;background:#080d17;border:1px solid var(--line);border-radius:9px;min-width:0}.time-heading{display:flex;align-items:center;gap:12px}.time-heading>#play{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#051b22;border:0;font-size:11px}.time-heading>strong{font:400 30px/1.3 'Oswald',sans-serif;letter-spacing:.03em}.time-heading>span{font-size:9px;color:var(--muted)}.jump-times{display:flex;gap:5px;margin-left:auto}.jump-times button{font:400 12px 'Oswald',sans-serif;padding:6px 10px}.jump-times button.active{color:var(--accent);border-color:#4fd0d677;background:#4fd0d60b}.time-panel input[type=range]{display:block;width:100%;accent-color:var(--accent);margin:19px 0 8px;cursor:pointer}.ticks{display:flex;justify-content:space-between;font-size:9px;color:var(--muted)}.bottom-info{display:flex;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:11px;margin-top:13px;font-size:9px;color:var(--muted)}.bottom-info>span{flex:1}.bottom-info button{border:0;background:none;color:var(--accent);font-size:9px;padding:0;white-space:nowrap}.field-note{padding:13px;margin-top:13px;border:1px solid #e7b76544;border-radius:7px;background:#e7b76506;font-size:10px;line-height:1.9}.field-note>*{display:block}.field-note b{color:var(--gold);font-size:11px;margin-bottom:5px}.field-note small{font-size:9px;color:var(--muted);margin-top:6px}.model-notice{grid-column:1/-1;font-size:10px;color:var(--muted);line-height:1.9;margin:0}
.tide-panel{margin-top:17px;padding-top:16px;border-top:1px solid var(--line)}.tide-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.tide-heading .eyebrow{font-size:9px;letter-spacing:.12em}.tide-heading h2{font-size:17px;margin:2px 0 0}.tide-heading select{font-size:10px;padding:7px;max-width:190px}.tide-reading{display:flex;gap:12px;align-items:baseline;margin:12px 0 0;flex-wrap:wrap}.tide-reading strong{font:400 30px/1.3 'Oswald',sans-serif;color:var(--accent);white-space:nowrap}.tide-reading strong small{font-size:12px;font-weight:400;color:var(--muted)}#tidePhase{font-size:11px;color:var(--silver)}#tideStationNote{font-size:9px;color:var(--muted)}.tide-chart{width:100%;height:230px;cursor:crosshair;touch-action:pan-y;margin-top:8px}.tide-chart svg{display:block;width:100%;height:230px;overflow:visible}.tide-grid{stroke:#b4d2eb12;stroke-width:1}.tide-axis{fill:var(--muted);font:10px 'Noto Sans JP',sans-serif}.tide-line{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.tide-selected{stroke:var(--accent);stroke-width:1;stroke-dasharray:3 3;opacity:.8}.tide-cursor{fill:var(--bg);stroke:var(--accent);stroke-width:2.5}.tide-selected-label{fill:var(--accent);font:10px 'Noto Sans JP',sans-serif}.tide-extreme{fill:var(--gold)}.tide-event{fill:var(--gold);font:9px 'Noto Sans JP',sans-serif}.tide-now{stroke:var(--gold);stroke-width:1.5;stroke-dasharray:2 3}.tide-events{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:2px}.tide-events>span{background:var(--bg-2);border:1px solid var(--line);padding:8px 11px;border-radius:6px}.tide-events small{display:block;color:var(--muted);font-size:9px}.tide-events b{display:block;font-size:12px;font-weight:500;margin-top:2px}.tide-events em{font-style:normal;color:var(--gold);font-size:11px;margin-left:5px}.tide-legend{display:flex;gap:16px;margin-top:11px;font-size:9px;color:var(--muted)}.tide-legend span{display:flex;gap:5px;align-items:center}.tide-legend i{display:inline-block}.selected-key{height:12px;border-left:2px dotted var(--accent)}.high-key{width:6px;height:6px;background:var(--gold);border-radius:50%}.now-key{height:12px;border-left:2px dotted var(--gold)}.tide-help{font-size:10px;color:var(--silver);margin:10px 0 5px;line-height:1.8}.tide-source{font-size:9px;color:var(--muted);margin:5px 0;line-height:1.9}.tide-source a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.tide-message{font-size:11px;color:var(--muted);padding:20px 0}#tideRetry{font-size:10px;padding:8px 12px;color:var(--accent)}
.site-footer{max-width:1280px;margin:5px auto 0;padding:28px 24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted)}.site-footer>strong{font:400 15px 'Oswald',sans-serif;letter-spacing:.17em;color:var(--silver)}.site-footer nav{display:flex;gap:18px;align-items:center;font-size:10px}.site-footer nav button{border:0;background:none;font-size:10px;padding:0}.site-footer>small{font-size:9px}
dialog{width:min(680px,94vw);max-height:90vh;overflow:auto;padding:25px;border:1px solid #45556c;border-radius:10px;background:var(--bg-2);color:var(--text);box-shadow:0 25px 90px #0008}dialog::backdrop{background:#000a;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:17px}.dialog-head h2{font-size:18px;margin:0}.dialog-head button{font-size:25px;border:0;background:none}#modalBody{font-size:12px;color:var(--silver);line-height:1.9}#modalBody h3{font-size:14px;color:var(--text);margin:22px 0 8px}#modalBody a{color:var(--accent);text-decoration:underline}#modalBody input{width:100%;border:1px solid #39475c;background:#080d18;border-radius:5px;padding:10px}#modalBody label{display:block;margin-top:13px}#modalBody button{padding:9px 12px;margin:10px 6px 0 0;font-size:11px}#modalBody .primary{background:var(--accent);color:#06151c;border:0}.notice{padding:12px 14px;border-left:3px solid var(--gold);background:#e7b7650a;color:var(--gold)}.point-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}#settingsMessage{font-size:11px;color:var(--gold)}
#map:fullscreen{width:100%;height:100%;border:0;border-radius:0}.google #map{touch-action:none}.google #googleMap{touch-action:none}.google .map-bottom{bottom:38px}.google #mapCredit{bottom:auto;top:108px;left:12px;right:auto;max-width:80%;background:#0a1223e5;border-radius:4px;pointer-events:none}.google .point-peek{bottom:85px}.google .coverage-legend{bottom:143px}
@media(max-width:1100px){main{grid-template-columns:minmax(0,1fr)290px;padding:0 16px 24px}.toolbar{grid-template-columns:minmax(350px,1fr)auto auto}.date-tools>span{display:none}.home-button{padding:11px 9px}.modes button{font-size:10px;padding:8px 5px}#inspector{padding:17px}.point-summary{gap:8px}.reading b{font-size:18px}.speed>b{font-size:31px}.compass{width:46px;height:46px}.legend b{display:none}.time-heading>span{display:none}.time-panel{padding:15px}.tide-reading{gap:7px 10px}.tide-heading select{max-width:157px}.mode-comparison article{padding:15px}}
@media(max-width:800px){.site-header{min-height:76px;padding:12px 16px}.brand{gap:10px}.brand-logo,.brand-symbol{width:42px;height:42px}.brand-lines strong{font-size:18px;letter-spacing:.17em}.brand-lines>span{font-size:8px;letter-spacing:.12em}.brand-lines small{font-size:9px;letter-spacing:.15em}.menu-button{gap:10px;font-size:10px;padding-left:8px}.hamburger{width:25px;height:16px}.hamburger:after{top:5px}.tool-nav{justify-content:space-between;gap:9px;padding:8px 16px;min-height:37px;font-size:10px}.tool-nav>span{display:none}main{display:flex;flex-direction:column;padding:0 10px 20px;gap:10px}.page-intro{order:0;width:100%;padding:19px 5px 6px}.eyebrow{font-size:9px}.page-intro h1{font-size:22px;margin:5px 0 3px}.page-intro p{font-size:10px}.beta-tag{font-size:9px;padding:4px 9px}.toolbar{order:1;width:100%;grid-template-columns:1fr auto;gap:7px}.modes{grid-column:1/-1;grid-row:1;width:100%}.modes button{font-size:10px;padding:9px 5px}.modes button small{font-size:8px}.date-tools{grid-column:1;grid-row:2;justify-self:start;padding:0 3px}.date-tools input{width:127px;font-size:11px}.date-tools button{font-size:22px;padding:0 7px}.home-button{grid-column:2;grid-row:2;padding:9px 10px;font-size:10px}.region-tools{grid-row:3;gap:5px}.region-tools button,.region-tools select{font-size:9px;padding:7px 6px}.region-tools select{min-width:0;width:118px;flex:1}.mode-explanation{order:2;display:block;width:100%;padding:1px 4px}.mode-explanation>p{font-size:10px;line-height:1.8}.mode-explanation summary{font-size:10px;margin-top:5px}.mode-comparison{grid-template-columns:1fr;gap:7px;margin-top:10px}.mode-comparison article{padding:14px}.mode-comparison h2{font-size:14px;margin:3px 0 6px}.mode-comparison p{font-size:10px;margin-bottom:7px}.comparison-note{font-size:9px}#map{order:3;height:58vh;min-height:390px;max-height:660px;border-radius:8px}.map-top{top:10px;left:10px;right:10px;gap:4px}.status-chip{font-size:8px;padding:5px 7px}.area-chip{font-size:8px;padding:5px 6px}.map-guide{left:10px;top:48px;font-size:8px}.gesture-help{left:10px;top:75px;font-size:7px}.map-controls{right:10px;top:103px}.map-controls button{width:34px;height:34px;font-size:20px}.north{right:19px;bottom:139px}.map-bottom{left:10px;right:10px;bottom:25px}.legend{font-size:8px;padding:5px 7px;gap:5px}#scale{font-size:8px;min-width:55px}.credit{font-size:6px;padding:4px 5px}.point-peek{left:10px;bottom:77px;padding:8px 10px;gap:9px;max-width:calc(100% - 62px)}.point-peek b{font-size:10px}.point-peek small{font-size:7px}.peek-detail{font-size:8px;margin-left:3px}.coverage-legend{left:10px;bottom:132px;padding:7px 8px;font-size:8px;gap:5px 10px;max-width:calc(100% - 62px)}.coverage-legend small{font-size:7px}#toast{font-size:10px;padding:10px 12px}.time-panel{order:4;width:100%;padding:13px 12px;margin:0;border-radius:8px}.time-heading{gap:9px}.time-heading>strong{font-size:28px}.time-heading>#play{width:29px;height:29px}.jump-times button{font-size:11px;padding:5px 9px}.tide-panel{margin-top:14px;padding-top:13px}.tide-heading .eyebrow{font-size:8px}.tide-heading h2{font-size:16px}.tide-heading select{max-width:149px;font-size:9px;padding:7px 5px}.tide-reading{gap:6px 12px;margin-top:10px}.tide-reading strong{font-size:30px}.tide-reading #tideStationNote{flex-basis:100%;font-size:8px;margin-top:-1px}.tide-chart{margin-top:5px}.tide-events{gap:7px}.tide-events>span{padding:7px 9px}.tide-events b{font-size:12px}.tide-events em{font-size:10px;margin-left:3px}.tide-help{font-size:9px}.tide-source{font-size:8px}.tide-legend{font-size:8px;gap:14px}.time-panel input[type=range]{margin-top:15px}.ticks{font-size:8px}.bottom-info{font-size:8px;gap:8px;margin-top:10px;padding-top:9px}.bottom-info button{font-size:8px}#inspector{order:5;width:100%;padding:18px;min-height:0}.point-head h1{font-size:15px}.point-summary{margin-top:19px;gap:14px}.compass{width:54px;height:54px}.reading b{font-size:24px}.reading>span{font-size:10px;max-width:none}.speed>b{font-size:36px}.point-metrics{margin-top:15px;font-size:9px}.seat-controls select{font-size:11px}.relative b{font-size:12px}.point-note{font-size:10px}.point-actions button,.point-actions a{font-size:9px}.model-notice{order:6;font-size:9px;padding:0 4px}.site-footer{padding:23px 16px;gap:15px}.site-footer>strong{font-size:14px}.site-footer nav{gap:16px}.site-footer>small{width:100%;font-size:8px}.google #mapCredit{left:10px;top:102px;font-size:6px}.google .coverage-legend{bottom:132px}}
@media(max-width:380px){.site-header{padding:11px 10px}.brand-lines strong{font-size:16px}.brand-lines small{font-size:8px}.brand-logo,.brand-symbol{width:36px;height:36px}.menu-button{font-size:9px;gap:7px}.hamburger{width:23px}.page-intro h1{font-size:20px}.modes button{font-size:9px}.modes button small{font-size:7px}.tide-heading select{max-width:137px}.area-chip{font-size:7px}.reference{font-size:7px}.time-heading>strong{font-size:25px}.jump-times button{padding:5px 7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.date-tools .today-button{font-size:10px;padding:5px 7px;color:var(--accent);border-left:1px solid var(--line);border-radius:0}.site-header{position:sticky;top:0;background:#06080ff2;backdrop-filter:blur(12px)}body{background-image:radial-gradient(1px 1px at 20% 30%,#ffffff22,transparent),radial-gradient(1px 1px at 70% 60%,#ffffff16,transparent);background-size:600px 600px,500px 500px}

.mode-method-row{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:7px 12px;margin-bottom:7px}.mode-method-row>span{color:var(--gold);font-size:10px}.mode-method-row button{padding:3px 8px;font-size:9px;color:var(--accent)}.mode-explanation>p{grid-row:2}.mode-explanation summary{grid-row:2}.mode-comparison{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:800px){.mode-comparison{grid-template-columns:1fr}.mode-method-row>span{font-size:9px}}

/* Keep map gestures inside the map; allow normal page zoom elsewhere. */
#map{overscroll-behavior:contain}.region-tools .locate-button{white-space:nowrap;color:var(--accent);min-height:38px}.locate-button[aria-busy="true"]{cursor:progress}
@media(max-width:800px){.date-tools input,.seat-controls select,.region-tools select,.tide-heading select,#modalBody input{font-size:16px}.date-tools input{width:139px}.tide-heading select{max-width:176px}.region-tools select{min-width:0}.region-tools .locate-button{font-size:11px;padding:7px 9px}.region-tools button,.region-tools select{min-height:38px}}

/* Current location stays reachable while viewing the map. */
.map-controls{justify-items:end}#locateMap{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:48px;height:48px;padding:4px;line-height:1.1;border-color:#4fd0d68a;background:#0b2531f2;color:var(--accent)}#locateMap .location-symbol{font-size:20px}#locateMap .location-caption{font-size:10px;white-space:nowrap}.north{pointer-events:none}
/* Harmonic current model: dark map, flow canvases, legend ramp, validation */
#flowField,#flowTrails{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
#flowField{opacity:.9}
body.flow-on #map{background:#0a1626}
body.flow-on #base{filter:invert(1) hue-rotate(190deg) brightness(.5) contrast(1.2) saturate(.35)}
.legend .ramp-model{width:64px;height:6px;border-radius:3px;background:linear-gradient(90deg,#0e285c,#185abe 25%,#18b9d7 55%,#3cd78c 85%,#78e678)}
.legend .ramp-official{background:#8ac8c4}
.legend .ramp-official+span+.ramp-official{background:var(--gold)}
body.flow-on .legend .ramp-official,body.flow-on .legend .official-scale{display:none}
body:not(.flow-on) .legend .ramp-model,body:not(.flow-on) .legend .model-scale{display:none}
.validation{grid-column:1/-1;margin-top:10px;padding:14px 16px;background:var(--bg-2);border:1px dashed var(--line);border-radius:9px;font-size:11px;color:var(--muted);line-height:1.8}
.validation h2{font-size:13px;margin:0 0 6px;color:var(--text)}
.validation p{margin:0 0 6px}.validation ul{margin:0;padding-left:18px}.validation b{color:var(--silver);font-weight:500}
.validation-meta{font-size:9px}
.mode-explanation details:not([open])>.validation{display:none}
@media (max-width:700px){.validation{padding:12px;font-size:10px}.legend .ramp-model{width:48px}}
/* Model switch on the map (自作モデル / 海上保安庁 / 重ねて比較) */
.map-modes{position:absolute;top:10px;left:10px;right:10px;z-index:5;display:flex;padding:3px;gap:2px;background:#08101ef0;border:1px solid #42536a;border-radius:9px;box-shadow:0 2px 10px #0004}
.map-modes button{flex:1;min-width:0;padding:8px 4px;border:0;border-radius:6px;background:none;color:var(--silver);font-size:12px;font-weight:600;line-height:1.3;white-space:nowrap}
.map-modes button.active{background:var(--accent);color:#06151c}
.map-top{top:58px}.map-guide{top:97px}.gesture-help{top:125px}.map-controls{top:157px}.google #mapCredit{top:154px}
.hour-note{display:inline-block;margin-left:8px;font-size:10px;color:var(--gold)}
.external-link{font-size:10px;color:var(--accent)}
.legend .official-scale{display:none;align-items:center;gap:3px;white-space:nowrap}
.legend .jcg{display:inline-block;width:10px;height:4px;border-radius:2px}
.legend .jcg.c1{background:#cdd7e1}.legend .jcg.c2{background:#6a5acd}.legend .jcg.c3{background:#2f5bff}.legend .jcg.c4{background:#1f8a3a}.legend .jcg.c5{background:#ff3030}
body.mode-official .legend .official-scale,body.mode-compare .legend .official-scale{display:inline-flex}
body.mode-official .legend .ramp-model,body.mode-official .legend .model-scale{display:none}
body.mode-compare .legend .model-scale{display:none}
@media(max-width:800px){.map-modes button{font-size:10.5px;padding:8px 2px;letter-spacing:-.02em}.map-top{top:54px}.map-guide{top:91px}.gesture-help{top:118px}.map-controls{top:150px}.google #mapCredit{top:146px}}
@media(max-width:380px){.map-modes button{font-size:10px}}