<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SNS投稿リンク</title>
</head>
<body>
    <button id="tweetButton">Tweetする</button>
    <button id="facebookButton">Facebookで共有</button>
    <button id="linkedinButton">LinkedInで共有</button>
    <button id="instagramButton">Instagramで共有</button>
    <button id="pinterestButton">Pinterestで共有</button>
    <button id="redditButto