@import url('https://fonts.googleapis.com/css2?family=Lobster&family=Lobster+Two:ital@1&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lobster&family=Lobster+Two:ital@1&family=Stick&display=swap');

:root {
    --primary-color: #007BFF;
    --text-color: #333;

    --bg-line-color:rgba(0, 0, 0, 0.04);

    --title-text-color: #ffffff;

    --container-background-color: #fff;
    --box-background-color: #f9f9f9;

    --menu-bg-color:#fb4d5f;
    --menu-text-color:#ffffff;
    
    --box-header-bg-color-st: #f52549;
    --box-header-bg-color-en: #ffd64d;
    --box-header-text-color: #ffffff;

    --box-content-bg-color: #ffd8cf;/*#ffbbac;*/

    --border-color: #ddd;
    --box-shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

.site-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 10px;
    border-radius: 5px;
      
}

.site-title {
    margin: 20px 0 ;
    font-family: "Stick", serif;
    font-size: 4em;
    color:black;
    /*color: var(--box-header-bg-color-st);
    text-shadow: 2px 2px 0 var(--box-header-bg-color-en);*/
}

.site-menu ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.site-menu a {
    text-decoration: none;
    color: var(--text-on-primary-color);
    background-color: var(--menu-bg-color);
    padding: 5px 5px;
    color: var(--menu-text-color);
}

.site-menu a:hover {
    text-decoration: underline;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 10px;
    background-image:
    repeating-linear-gradient(to bottom,
      transparent 25px,
      var(--bg-line-color) 26px,  var(--bg-line-color) 26px,
      transparent 27px,  transparent 51px, 
      var(--bg-line-color) 52px,  var(--bg-line-color) 52px,
      transparent 53px,  transparent 77px, 
      var(--bg-line-color) 78px,  var(--bg-line-color) 78px,
      transparent 79px,  transparent 103px, 
      var(--bg-line-color) 104px,  var(--bg-line-color) 104px,
      transparent 105px,  transparent 129px, 
      var(--bg-line-color) 130px,  var(--bg-line-color) 130px),

    repeating-linear-gradient(to right,
      transparent 25px,
      var(--bg-line-color) 26px,  var(--bg-line-color) 26px,
      transparent 27px,  transparent 51px, 
      var(--bg-line-color) 52px,  var(--bg-line-color) 52px,
      transparent 53px,  transparent 77px, 
      var(--bg-line-color) 78px,  var(--bg-line-color) 78px,
      transparent 79px,  transparent 103px, 
      var(--bg-line-color) 104px,  var(--bg-line-color) 104px,
      transparent 105px,  transparent 129px, 
      var(--bg-line-color) 130px,  var(--bg-line-color) 130px);
    box-shadow: 0 2px 4px var(--box-shadow-color);
}

.box {
    max-width: 600px; /* 任意の横幅を指定 */
    margin: 0 auto 40px; /* 上下中央揃え、下に余白 */

}

.box-header {
    font-family: "Lobster Two", serif;
    border-radius: 5px 5px 0 0; 
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
    background: linear-gradient(to right, var(--box-header-bg-color-st), var(--box-header-bg-color-en)); 
    color: var(--box-header-text-color);
    padidng: 5px;
}

.box-content {
    border-radius: 0 0 5px 5px; 
    font-size: 1em;
    background-color: var(--box-content-bg-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.text-container {
    width:100%;
    text-align: center;
    font-size: 0.9em;
}

.image-container {
    width: 100%;
    max-width: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow:0 0 0 5px white, 0 0 0 6px gray;
    margin: 15px 0 5px 0;
}
  
.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

.image-container-large {
    width: 100%;
    max-width: 700px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow:0 0 0 5px white, 0 0 0 6px gray;
    margin: 15px 0 5px 0;
}
  
.image-container-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

h2 {
    font-size: 1em;
    text-align: center;
    margin: 0 0 10px 0;
    display: inline;
    background-image: linear-gradient(to top, var(--menu-bg-color) 30%, transparent 30%);
    background-size: 100% 80% ;
    background-repeat: no-repeat;
    padding-bottom: 2px;
}

h3 { 
    font-size: 0.9em;
    color: var(--menu-bg-color);
    text-align: center;
    margin: 0 0 10px 0;
    display: inline-block;
    border: 2px solid var(--menu-bg-color);
    padding: 2px 10px;
}

p {
    margin:0;
}

.no-decoration-link {
    text-decoration: none;
    color: inherit;
}

.no-decoration-link:hover {
    text-decoration: none;
    color: inherit; 
}

.link {
    margin: 0;
}

.link a{
    padding: 5px;
    transition: all 0.3s ease;
    color: var(--menu-bg-color);
}

.link a:hover {
    color: #fff;
    background-color: var(--menu-bg-color);
}

.linkbox a {
    display: inline-block;
    padding: 1px 10px;
    text-decoration: none;
    border: 2px solid;
    transition: all 0.3s ease;
    border-color: var(--menu-bg-color);
    color: var(--menu-bg-color);
  }
  
.linkbox a:hover {
    color: white;
    background-color: var(--menu-bg-color)
  }

@media (max-width: 768px) {
    .container {
        padding: 5px;
    }
    .box {
        padding: 10px;
    }
}

#backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 15px;
    font-size: 14px;
    background-color: var(--menu-bg-color);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    display: none;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

#backToTop:hover {
    background-color: #555;
}