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tenki.html
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tenki.html
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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>天気予報</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background-color: #f4f4f9;
}
h1 {
text-align: center;
color: #333;
margin: 20px 0;
}
#region-select {
display: block;
margin: 20px auto;
padding: 10px;
font-size: 16px;
border-radius: 5px;
border: 1px solid #ccc;
background: #fff;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
cursor: pointer;
width: 80%;
max-width: 300px;
text-align: center;
appearance: none;
background-image: url('https://example.com/icons/down-arrow.svg');
background-repeat: no-repeat;
background-position: right 10px center;
background-size: 20px;
}
#region-select:hover {
border-color: #888;
}
#weather {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 20px;
margin: 20px;
}
.forecast {
background: #fff;
border-radius: 10px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
width: 250px;
padding: 20px;
text-align: center;
position: relative;
transition: transform 0.3s;
cursor: pointer;
}
.forecast:hover {
transform: scale(1.05);
}
.forecast img {
width: 80px;
height: 80px;
margin: 10px auto;
}
.forecast h3 {
margin: 10px 0;
font-size: 18px;
color: #555;
}
.forecast p {
font-size: 16px;
color: #666;
}
.forecast a {
text-decoration: none;
color: inherit;
display: block;
height: 100%;
}
.sunny {
background: linear-gradient(135deg, #ffeb3b, #ff9800);
color: #333;
}
.cloudy {
background: linear-gradient(135deg, #cfd8dc, #90a4ae);
color: #333;
}
.rainy {
background: linear-gradient(135deg, #bbdefb, #2196f3);
color: #fff;
}
.snowy {
background: linear-gradient(135deg, #e3f2fd, #90caf9);
color: #333;
}
</style>
</head>
<body>
<h1>3日間の天気</h1>
<select id="region-select">
<option value="170000">金沢</option>
<option value="130000">東京</option>
<option value="270000">大阪</option>
<option value="400000">九州</option>
</select>
<div id="weather"></div>
<script>
const baseUrl = "https://www.jma.go.jp/bosai/forecast/data/forecast/";
const weatherIcons = {
"晴れ": { icon: "https://www.jma.go.jp/bosai/forecast/img/100.svg", className: "sunny" },
"くもり": { icon: "https://www.jma.go.jp/bosai/forecast/img/200.svg", className: "cloudy" },
"雨": { icon: "https://www.jma.go.jp/bosai/forecast/img/300.svg", className: "rainy" },
"雪": { icon: "https://www.jma.go.jp/bosai/forecast/img/400.svg", className: "snowy" },
"雷雨": { icon: "https://www.jma.go.jp/bosai/forecast/img/500.svg", className: "rainy" }
};
const regionLinks = {
"170000": "https://www.jma.go.jp/bosai/forecast/#area_type=offices&area_code=170000", // 北陸地方リンク
"130000": "https://www.jma.go.jp/bosai/forecast/#area_type=offices&area_code=130000", // 東京地方リンク
"270000": "https://www.jma.go.jp/bosai/forecast/#area_type=offices&area_code=270000", // 大阪地方リンク
"400000": "https://www.jma.go.jp/bosai/forecast/#area_type=offices&area_code=400000" // 九州北部地方リンク
};
function getWeatherStyle(weather) {
// 天気説明の最初の単語を抽出
const firstWord = weather.split(/[\s、。]/)[0]; // 空白、読点、句点で分割
// 最初の単語でスタイルを決定
for (const key in weatherIcons) {
if (firstWord === key) {
return weatherIcons[key];
}
}
// デフォルトスタイル（該当しない場合）
return { icon: "https://example.com/icons/unknown.png", className: "" };
}
async function fetchWeatherData(regionCode) {
try {
const response = await fetch(`${baseUrl}${regionCode}.json`);
if (!response.ok) {
throw new Error("データの取得に失敗しました");
}
const data = await response.json();
const forecasts = data[0].timeSeries[0];
const dates = forecasts.timeDefines;
const weatherCodes = forecasts.areas[0].weathers;
const areaName = data[0].publishingOffice;
const weatherDiv = document.getElementById("weather");
weatherDiv.innerHTML = `<h2></h2>`;
dates.forEach((date, index) => {
const weatherText = weatherCodes[index];
const { icon, className } = getWeatherStyle(weatherText);
const forecastDiv = document.createElement("div");
forecastDiv.className = `forecast ${className}`;
forecastDiv.innerHTML = `
<a href="${regionLinks[regionCode]}" target="_blank">
<img src="${icon}" alt="${weatherText}">
<h3>${new Date(date).toLocaleDateString("ja-JP", {
weekday: "short",
year: "numeric",
month: "2-digit",
day: "2-digit"
})}</h3>
<p>${weatherText}</p>
</a>
`;
weatherDiv.appendChild(forecastDiv);
});
} catch (error) {
console.error(error);
document.getElementById("weather").textContent = "天気予報を取得できませんでした。";
}
}
document.getElementById("region-select").addEventListener("change", (event) => {
const regionCode = event.target.value;
fetchWeatherData(regionCode);
});
// 初期表示
fetchWeatherData("170000");
</script>
</body>
</html>