:root{--bg-grad:linear-gradient(180deg, #0e2038 0%, #17375c 45%, #245081 100%);--surface:#ffffff1a;--surface-2:#ffffff29;--ink:#fff;--ink-2:#ffffffb8;--ink-3:#ffffff80;--line:#ffffff24;--accent:#64d2ff;--good:#30d158;--warn:#ffd60a;--bad:#ff6961;--radius:18px;--blur:blur(22px) saturate(1.5)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg-grad) fixed;min-height:100vh;color:var(--ink);font-feature-settings:"palt";margin:0;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;line-height:1.35}.container{max-width:720px;margin:0 auto;padding:0 16px}.site-header .bar{align-items:center;gap:10px;padding:14px 0 4px;display:flex}.logo{letter-spacing:.04em;align-items:center;gap:9px;font-size:18px;font-weight:800;display:flex}.logo svg{display:block}.logo .tagline{color:var(--ink-3);letter-spacing:.06em;margin-left:2px;padding-top:5px;font-size:11px;font-weight:500}.page-hero{text-align:center;padding:18px 0 8px}.breadcrumb{color:var(--ink-3);justify-content:center;align-items:center;gap:6px;padding-bottom:10px;font-size:12px;display:flex}.breadcrumb a:hover{color:var(--ink)}.page-hero h1{letter-spacing:.02em;font-size:26px;font-weight:600}.hero-chips{flex-wrap:wrap;justify-content:center;gap:6px;margin-top:8px;display:flex}.chip{background:var(--surface);color:var(--ink-2);border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:11px;font-weight:600;display:inline-flex}.hero-big{letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:6px;font-size:84px;font-weight:200;line-height:1.1}.hero-big small{color:var(--ink-2);margin-left:2px;font-size:36px;font-weight:300}.hero-big .skeleton{border-radius:16px;min-width:150px;display:inline-block}.hero-cond{color:var(--ink-2);max-width:320px;margin:2px auto 0;font-size:15px;font-weight:500}.updated{color:var(--ink-3);text-align:center;margin-top:10px;font-size:11px}.index-banner{background:var(--surface);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius);align-items:center;gap:18px;margin-top:16px;padding:12px 18px;display:flex}.ib-label{color:var(--ink-3);letter-spacing:.05em;font-size:11px;font-weight:600}.ib-score{font-variant-numeric:tabular-nums;min-width:62px;font-size:46px;font-weight:250;line-height:1.05}.ib-score small{color:var(--ink-3);font-size:15px;font-weight:400}.ib-main{flex:1;min-width:0}.ib-grade{font-size:15px;font-weight:700}.ib-reason{color:var(--ink-2);margin-top:2px;font-size:12px}.tile-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;display:grid}.tile-grid .tile:last-child:nth-child(odd){grid-column:1/-1}.tile{background:var(--surface);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius);min-height:92px;padding:12px 14px}.tile-k{color:var(--ink-3);letter-spacing:.05em;font-size:11px;font-weight:600}.tile-v{font-variant-numeric:tabular-nums;margin-top:5px;font-size:25px;font-weight:400;line-height:1.25}.tile-v small{color:var(--ink-2);margin-left:2px;font-size:13px;font-weight:500}.tile-sub{color:var(--ink-2);margin-top:2px;font-size:12px}.shore-badge{vertical-align:2px;border-radius:999px;margin-left:6px;padding:1px 8px;font-size:10.5px;font-weight:700;display:inline-block}.shore-badge.off{color:#6fe396;background:#30d15838}.shore-badge.on{color:#ffa8a2;background:#ff69613d}.shore-badge.side{color:#ffe36e;background:#ffd60a33}main.container{padding-top:4px;padding-bottom:48px}.card{background:var(--surface);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius);margin-top:12px;padding:14px 16px 16px}.card>h2{color:var(--ink-3);letter-spacing:.05em;border-bottom:1px solid var(--line);align-items:center;gap:6px;padding-bottom:8px;font-size:12px;font-weight:600;display:flex}.card .card-note{color:var(--ink-3);margin:10px 0 0;font-size:11px}.temp-hilo{letter-spacing:normal;gap:10px;margin-left:auto;font-size:12px;font-weight:600;display:inline-flex}.temp-hilo .hi{color:#ff9f0a}.temp-hilo .lo{color:#64d2ff}.chart-wrap{height:235px;margin-top:12px;position:relative}.chart-wrap--short{height:180px}.legend{color:var(--ink-2);flex-wrap:wrap;gap:6px 10px;margin-top:10px;font-size:11px;display:flex}.legend .key{align-items:center;gap:5px;display:inline-flex}.legend .dot{border-radius:50%;width:8px;height:8px}.live-label{font-weight:500}.video-frame{aspect-ratio:16/9;background:#0006;border-radius:14px;margin-top:12px;position:relative;overflow:hidden}.video-frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.video-facade{cursor:pointer;background:0 0;border:0;width:100%;height:100%;padding:0;display:block;position:absolute;inset:0}.video-facade img{object-fit:cover;opacity:.92;width:100%;height:100%}.live-badge{color:#fff;letter-spacing:.04em;background:#ff453ae6;border-radius:999px;padding:2px 9px;font-size:10.5px;font-weight:700;position:absolute;top:10px;left:10px}.play-btn{background:#ff453ae6;border-radius:12px;justify-content:center;align-items:center;width:58px;height:42px;transition:transform .15s,background .15s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 16px #00000059}.video-facade:hover .play-btn{background:#ff453a;transform:translate(-50%,-50%)scale(1.06)}.tide-tabs{background:#0000002e;border-radius:11px;gap:6px;margin-top:12px;padding:3px;display:flex}.tide-tabs button{color:var(--ink-2);cursor:pointer;background:0 0;border:0;border-radius:9px;flex:1;padding:6px 0;font-family:inherit;font-size:12px;font-weight:600}.tide-tabs 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shimmer;position:absolute;inset:0;transform:translate(-100%)}@keyframes shimmer{to{transform:translate(100%)}}.error-card{-webkit-backdrop-filter:var(--blur);color:#ffc7c2;border-radius:var(--radius);background:#ff696129;margin-top:16px;padding:16px;font-size:13px;display:none}.error-card button{color:#fff;cursor:pointer;background:#ff6961d9;border:0;border-radius:10px;margin-top:10px;padding:8px 20px;font-family:inherit;font-size:13px;font-weight:600}.home-hero{text-align:center;padding:26px 0 6px}.home-hero h1{letter-spacing:.02em;font-size:30px;font-weight:700}.home-hero p{color:var(--ink-2);margin:8px 0 0;font-size:13px}.spot-list{margin-top:10px}.spot-card{background:var(--surface);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius);margin-top:10px;padding:14px 16px;transition:transform .15s,background .15s;display:block}.spot-card:active{transform:scale(.985)}@media (hover:hover){.spot-card:hover{background:var(--surface-2)}}.sc-top{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.sc-name h2{font-size:17px;font-weight:600}.sc-area{color:var(--ink-3);font-size:11px;font-weight:500}.sc-right{text-align:right}.sc-grade{margin-top:1px;font-size:12px;font-weight:700}.sc-grade.skeleton{min-width:44px;display:inline-block}.sc-wave{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:34px;font-weight:200;line-height:1.15}.sc-wave small{color:var(--ink-2);font-size:15px;font-weight:400}.sc-wave .skeleton{min-width:72px;display:inline-block}.sc-sub{color:var(--ink-2);margin-top:4px;font-size:12px}.sc-sub .skeleton{min-width:180px;display:inline-block}.shore-tag{vertical-align:1px;border-radius:999px;margin-left:3px;padding:0 7px;font-size:9.5px;font-weight:700;display:inline-block}.shore-tag.off{color:#6fe396;background:#30d15838}.shore-tag.on{color:#ffa8a2;background:#ff69613d}.shore-tag.side{color:#ffe36e;background:#ffd60a33}.sc-desc{color:var(--ink-3);-webkit-line-clamp:1;-webkit-box-orient:vertical;margin:8px 0 0;font-size:12px;display:-webkit-box;overflow:hidden}.site-footer{border-top:1px solid var(--line);color:var(--ink-3);padding:24px 0 40px;font-size:11px;line-height:1.8}.site-footer .brand{color:var(--ink-2);margin-bottom:6px;font-size:13px;font-weight:700}@media (width>=640px){.tile-grid{grid-template-columns:repeat(4,1fr)}.hero-big{font-size:96px}.facts{grid-template-columns:repeat(4,1fr)}}