@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--ink:#123e60;--muted:#485e63;--line:#d7e3ed;--teal:#006eae;--blue:#1754a1;--paper:#f6f8f7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-family:'Noto Sans KR',sans-serif;color:var(--ink);background:#fff;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e3b362;outline-offset:4px}header{height:90px;max-width:1240px;padding:0 30px;margin:auto;display:flex;align-items:center;gap:50px}.brand{font-size:25px;font-weight:800;display:inline-flex;align-items:center;gap:4px;letter-spacing:-1px}.brand span:not(.brand-icon){color:var(--teal)}.brand-icon{background:var(--ink);color:white;border-radius:11px;line-height:35px;text-align:center;width:35px;margin-right:6px;font-size:30px}header nav{display:flex;gap:34px;margin-left:auto;font-weight:600;font-size:14px}.header-search{background:#f1f5f4;padding:10px 18px;border-radius:6px;font-size:13px;font-weight:600}main{max-width:1180px;margin:auto}.hero{position:relative;min-height:420px;background:#eaf5fc;border-radius:15px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr}.hero-copy{padding:49px 0 55px 52px;z-index:1}.eyebrow{font-size:12px;color:var(--teal);font-weight:700;letter-spacing:.05em}.hero h1{font-size:40px;line-height:1.5;letter-spacing:-1.8px;margin:19px 0}.hero h1 em{font-style:normal;color:#087bb8}.hero-copy>p:not(.eyebrow){font-size:14px;color:#3f5d5e}.hero-link{display:inline-flex;gap:55px;border-bottom:1px solid #819b91;padding:10px 0;margin-top:10px;font-size:13px;font-weight:700}.sea-art{width:100%;height:100%;object-fit:cover;align-self:end}.search-box{position:relative;margin:-25px 40px 0;padding:25px 30px;background:white;border:1px solid var(--line);box-shadow:0 10px 35px #183e4610;border-radius:10px}.search-box label{font-size:13px;font-weight:700}.search-line{display:flex;align-items:center;gap:17px;margin-top:8px}.search-line>span{font-size:28px}.search-line input{border:0;flex:1;min-width:0;font-size:17px;padding:10px 0;color:var(--ink);background:none}.primary{background:var(--ink);color:white;border:0;border-radius:6px;padding:12px 26px;font-weight:700}.search-box p{font-size:11px;color:var(--muted);margin-bottom:0}.search-box p a{display:inline-block;background:#f2f5f2;color:#4b6f6b;margin-left:8px;padding:3px 9px;border-radius:4px}.section{padding:52px 0 0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:23px}h2{font-size:24px;letter-spacing:-.7px;margin:6px 0;font-weight:700}.section-heading select{border:1px solid var(--line);padding:9px 18px;background:white;border-radius:5px}.month-picker{display:grid;grid-template-columns:repeat(12,1fr);border:1px solid var(--line);border-radius:9px;overflow:hidden}.month-picker button{background:#fff;border:0;border-right:1px solid var(--line);padding:17px 0;font-size:24px;font-weight:600;color:var(--ink)}.month-picker button:last-child{border:0}.month-picker button small{font-size:12px;font-weight:400;margin-left:3px}.month-picker .active{background:var(--ink);color:white}.subtle{font-size:12px;color:var(--muted)}.subtle strong{color:var(--teal);font-weight:500}.count{font-size:13px;color:var(--muted)}.filter-bar{display:flex;gap:10px;margin-bottom:22px}.filter-bar button{border:1px solid var(--line);background:white;border-radius:30px;padding:7px 24px;color:var(--muted)}.filter-bar .active{color:white;background:var(--teal);border-color:var(--teal)}.stations{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.station{position:relative;border:1px solid var(--line);border-radius:8px;padding:20px 22px;transition:.15s;background:white}.station:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 8px 20px #083e450a}.station strong{display:block;font-size:20px;margin:7px 0 3px;letter-spacing:-.5px}.station small{font-size:11px;color:var(--muted)}.station-sea{font-size:10px;color:var(--teal);background:#e7f4ff;padding:3px 7px;border-radius:3px}.arrow{position:absolute;right:20px;top:22px;color:#526e6b}.more{display:block;width:100%;margin:20px 0 0;background:white;border:1px solid var(--line);border-radius:6px;padding:12px;font-size:13px;color:var(--ink)}.more span{margin-left:10px}.guide-banner{margin:65px 0;background:#eef7fd;border-radius:12px;padding:40px 45px;display:flex;align-items:center;justify-content:space-between;gap:30px}.guide-banner h2{font-size:27px}.guide-banner p{font-size:13px;color:var(--muted)}.guide-banner a{font-size:13px;border-bottom:1px solid #718c84;padding-bottom:6px}.guide-legend{display:flex;gap:20px}.guide-legend>div{background:white;border-radius:9px;width:180px;padding:20px}.guide-legend span{display:block;font-size:28px}.guide-legend strong{display:block;font-size:18px;margin-bottom:6px}.guide-legend small{font-size:11px;color:var(--muted)}.high{color:var(--blue)}.low{color:var(--teal)}footer{border-top:1px solid var(--line);padding:38px max(30px,calc((100% - 1180px)/2));background:#f5faff}footer .brand{font-size:21px}footer p{font-size:13px;color:var(--muted)}footer>div{display:flex;gap:25px;font-size:12px;margin:20px 0}footer small{font-size:11px;color:#526369}.breadcrumb{display:flex;gap:12px;font-size:12px;color:var(--muted);padding:25px 0}.detail-heading{padding:13px 0 32px;border-bottom:1px solid var(--line);margin-bottom:30px}.detail-heading h1{font-size:32px;line-height:1.5;letter-spacing:-1px;margin:14px 0}.detail-heading p{color:var(--muted);font-size:13px}.location-pill{font-size:11px;background:#e7f4ff;color:var(--teal);padding:5px 10px;border-radius:4px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;padding-bottom:60px}.panel{border:1px solid var(--line);border-radius:9px;background:white}.month-controls{overflow:hidden}.month-controls>.section-heading{padding:23px 24px 0}.month-controls h2{font-size:20px}.year-switch{font-size:12px;color:var(--teal)}.month-links{display:grid;grid-template-columns:repeat(12,1fr);margin:0 24px 20px;border:1px solid var(--line);border-radius:5px;overflow:hidden}.month-links a{text-align:center;font-size:12px;padding:9px 0;border-right:1px solid var(--line)}.month-links .active{background:var(--ink);color:white}.table-toolbar{display:flex;align-items:center;gap:14px;padding:0 24px 15px;font-size:11px;color:var(--muted)}.view-toggle{display:flex;margin-right:auto;border:1px solid var(--line);border-radius:5px;padding:3px}.view-toggle button{border:0;background:white;border-radius:3px;color:var(--muted);padding:5px 14px;font-size:12px}.view-toggle .active{background:#e9f4fd;color:var(--ink)}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin:0 5px 0 10px}.high-bg{background:var(--blue)}.low-bg{background:var(--teal)}.text-button{border:0;background:none;color:var(--muted);font-size:11px}.data-status{font-size:12px;padding:12px 24px;background:#f0f7fc;color:#405e5b;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.data-status.error{background:#fff6e7;color:#896122}.data-status button{margin-left:12px;border:1px solid currentColor;border-radius:4px;color:inherit;background:none}.loading-skeleton{padding:20px}.loading-skeleton div{height:45px;background:linear-gradient(90deg,#f4f7f6,#eaf0ed,#f4f7f6);background-size:200%;animation:pulse 2s infinite;margin:10px 0;border-radius:4px}@keyframes pulse{to{background-position:-200%}}.tide-table{width:100%;border-collapse:collapse;font-size:13px;table-layout:fixed}.tide-table th{background:#f8faf9;padding:12px 8px;font-size:12px;font-weight:500;color:var(--muted);border-bottom:1px solid var(--line)}.tide-table td{padding:13px 8px;border-bottom:1px solid #edf1f0;text-align:center;vertical-align:middle}.tide-table td:first-child{font-weight:700;width:80px}.tide-table time{display:block;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}.tide-table small{font-size:10px;color:var(--muted)}.tide-table .day-label small{margin-left:5px}.tide-table .today{background:#eaf5ff}.sun{color:#b34038}.sat{color:#2864a7}.table-note{font-size:11px;color:var(--muted);padding:10px 24px 16px}.aside-panel{padding:25px}.aside-panel h2{font-size:27px;margin-top:10px}.aside-panel p{font-size:12px;color:var(--muted)}dl{margin:25px 0}dl>div{display:flex;justify-content:space-between;margin:10px 0;font-size:12px}dt{color:var(--muted)}dd{margin:0}.block{display:block;width:100%;text-align:center;font-size:12px;padding:11px 8px;margin-top:10px}.outline{background:white;border:1px solid var(--line);border-radius:5px;color:var(--ink)}.nearby{padding:24px}.nearby h2{font-size:16px;margin-bottom:12px}.nearby a{display:flex;justify-content:space-between;font-size:13px;border-bottom:1px solid var(--line);padding:11px 0}.nearby span{color:#526e6b}.article{padding:20px 0;line-height:1.95;font-size:14px}.article h2{font-size:22px;margin:35px 0 14px}.article p,.article li{color:#40585c}.article ul{padding-left:20px}.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:24px}.explain-grid>div{background:#f0f7fc;border-radius:7px;padding:20px}.explain-grid p{font-size:12px;margin-bottom:0}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:600;font-size:14px}details p{font-size:13px}.prose{max-width:800px;margin:50px auto 80px;min-height:50vh}.prose h1{font-size:32px}.prose a{color:var(--teal);text-decoration:underline}.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.calendar-head{text-align:center;font-size:11px;padding:9px}.calendar-day{border-top:1px solid var(--line);border-right:1px solid var(--line);min-height:124px;padding:8px;font-size:11px}.calendar-day strong{display:block;margin-bottom:6px}.calendar-day .event{display:block;font-size:10px;white-space:nowrap}.calendar-day.today{background:#eaf5ff}.empty-data{padding:30px;text-align:center;color:var(--muted)}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:white;padding:10px;z-index:10}[hidden]{display:none!important}
@media(max-width:1220px){main{margin:0 30px}}@media(max-width:900px){header{gap:15px}header nav{gap:18px}.hero h1{font-size:32px}.hero-copy{padding:35px}.hero{min-height:365px}.stations{grid-template-columns:repeat(3,1fr)}.detail-layout{grid-template-columns:minmax(0,1fr)}aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.guide-legend>div{width:145px}.guide-banner{padding:30px}.guide-banner h2{font-size:23px}}
@media(max-width:600px){header{height:72px;padding:0 20px}.brand{font-size:22px}.brand-icon{width:30px;line-height:30px;font-size:26px}header nav{gap:16px;font-size:11px}header nav a:nth-child(2){display:none}.header-search{display:none}main{margin:0 18px}.hero{display:block;min-height:470px}.hero-copy{padding:29px 25px}.hero h1{font-size:29px;letter-spacing:-1px}.hero-copy>p:not(.eyebrow){font-size:12px}.hero-link{font-size:12px}.sea-art{position:absolute;bottom:0;right:0;width:75%;height:235px;opacity:.9;z-index:0}.hero-copy{position:relative}.hero-copy>p,.hero-link{position:relative;z-index:2}.search-box{margin:-18px 10px 0;padding:20px;z-index:2}.search-line{gap:9px;flex-wrap:wrap}.search-line input{font-size:14px;width:calc(100% - 30px)}.search-line .primary{width:100%;margin-top:3px;font-size:13px}.search-box p{line-height:2.5}.search-box p a{margin-left:3px}.section{padding-top:35px}.section-heading{margin-bottom:18px}h2{font-size:21px}.eyebrow{font-size:10px}.month-picker{grid-template-columns:repeat(6,1fr)}.month-picker button{font-size:20px;padding:12px 0;border-bottom:1px solid var(--line)}.month-picker button small{font-size:10px}.stations{grid-template-columns:repeat(2,1fr);gap:10px}.station{padding:17px 15px}.station strong{font-size:18px}.station small{font-size:10px}.station .arrow{right:14px;top:16px}.filter-bar{gap:7px}.filter-bar button{padding:6px 16px;font-size:12px}.guide-banner{display:block;margin:40px 0;padding:25px}.guide-legend{margin-top:25px;gap:10px}.guide-legend>div{width:50%;padding:17px}.guide-legend small{font-size:10px}footer{padding:30px 22px}.breadcrumb{padding:16px 0}.detail-heading{padding-top:7px;margin-bottom:20px}.detail-heading h1{font-size:26px;letter-spacing:-1px}.detail-heading p{font-size:11px}.month-controls>.section-heading{padding:16px 14px 0;gap:7px}.month-controls h2{font-size:17px}.year-switch{font-size:10px;white-space:nowrap}.month-links{margin:0 14px 16px;grid-template-columns:repeat(6,1fr)}.month-links a{border-bottom:1px solid var(--line)}.table-toolbar{padding:0 14px 12px;gap:6px}.view-toggle button{padding:4px 9px}.table-toolbar>span{font-size:9px}.text-button{font-size:10px}.dot{margin-left:4px}.data-status{padding:10px 14px;font-size:11px}.tide-table th{font-size:10px;padding:10px 4px}.tide-table td{padding:12px 3px}.tide-table time{font-size:14px}.tide-table small{font-size:9px}.tide-table .day-label{font-size:12px}.tide-table .day-label small{display:block;margin:0}.table-note{padding:8px 14px;font-size:10px}.calendar-day{padding:5px 3px;min-height:108px}.calendar-day .event{font-size:9px;letter-spacing:-.5px}.calendar-head{font-size:10px}.detail-layout{gap:15px}.article h2{font-size:20px}.article{font-size:13px}.explain-grid{gap:10px}.explain-grid>div{padding:14px}.explain-grid strong{font-size:13px}aside{display:block}.prose{margin:30px 0 60px}.prose h1{font-size:27px}}@media print{header,footer,aside,.breadcrumb,.article,.month-links,.table-toolbar{display:none}.detail-layout{display:block}.panel{border:0}.detail-heading h1{font-size:22px}.tide-table td{padding:5px}.tide-table time{font-size:12px}.tide-table{font-size:10px}}


/* Readable text across desktop and mobile. */
body{font-weight:500}.search-line input::placeholder{color:#52666b;opacity:1}.hero-copy>p:not(.eyebrow){font-size:16px}.subtle,.count,.station small,.guide-banner p,.guide-legend small,footer p,footer small,.detail-heading p,.table-note,.aside-panel p,.search-box p{font-size:13px}.station-sea,.eyebrow,.location-pill{font-size:12px}.article{font-size:16px}.article p,.article li{color:#40585c}.explain-grid p,details p{font-size:14px}.tide-table th{font-weight:700;color:#40585c}.tide-table small{font-size:12px}.data-status{font-weight:600}.filter-bar button,.month-links a,.year-switch,.view-toggle button{font-weight:600}
@media(max-width:600px){header nav{font-size:12px}.hero-copy>p:not(.eyebrow){font-size:14px}.station small,.guide-legend small,.detail-heading p,.table-note{font-size:12px}.article{font-size:15px}.tide-table small{font-size:11px}.tide-table th{font-size:11px}.table-toolbar>span,.text-button,.year-switch{font-size:11px}.calendar-day .event{font-weight:600}.search-box p{font-size:12px}}
.today-panel{margin:20px 0 28px;padding:28px 32px;border:2px solid #006eae;border-radius:14px;background:#f0f8fe}.today-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.today-heading h2{font-size:28px;margin:5px 0}.today-date{margin:0;color:#40585c;font-size:14px}.today-heading label{font-size:13px;font-weight:700}.today-heading select{display:block;max-width:260px;width:100%;margin-top:7px;padding:10px 12px;background:white;border:1px solid #7ca8c8;border-radius:6px;color:#123e60}.today-events{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.today-event{background:white;border:1px solid #cfdfed;border-radius:8px;padding:16px}.today-event span,.today-event strong,.today-event small{display:block}.today-event span{font-weight:700}.today-event strong{font-size:30px;line-height:1.5;font-variant-numeric:tabular-nums}.today-event small{color:#40585c;font-size:13px}.today-month{display:inline-block;margin-top:18px;font-size:14px;font-weight:700;text-decoration:underline;text-underline-offset:4px}@media(max-width:600px){.today-panel{padding:20px;margin-top:12px}.today-heading{display:block}.today-heading h2{font-size:24px}.today-heading label{display:block;margin-top:14px}.today-heading select{max-width:none}.today-events{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.today-event{padding:12px}.today-event strong{font-size:27px}.today-date{font-size:13px}}

.brand-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 35px;height:35px;line-height:1;background:#075985;color:#fff}.brand-icon svg{display:block;width:24px;height:24px}.sea-art path:nth-of-type(1){fill:#58b8d5}.sea-art path:nth-of-type(2){fill:#238dbb}.sea-art path:nth-of-type(3){fill:#11638e}.sea-art path:nth-of-type(4){stroke:#8dd8eb}@media(max-width:600px){.brand-icon{flex-basis:30px;width:30px;height:30px}.brand-icon svg{width:21px;height:21px}}

.ad-slot{display:block;width:100%;margin:24px 0;clear:both;min-width:0}.detail-heading .ad-slot{margin:20px 0}.article .ad-slot{margin:18px 0 24px}@media(max-width:600px){.ad-slot{margin:18px 0}}