@charset "UTF-8";

html {
    font-size: 100%;
}

body {
    color: #000000;
    font-family: sans-serif;
}
.container {
    max-width: 1200px;
    margin: 0 auto;      /* 中央寄せ */
    padding: 20px;
}
a:hover {
    opacity: 0.7;
}

#header {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: lightblue;
    padding-top: 35px;
    padding-bottom: 50px;
}
#header .logo{
    max-width: 150px;
    height: auto;
    padding-top: 5px;
    padding-left: 10px;
}
#header .logo img{
    width: 100%;
    height: auto;
    display: block;
}
#header .logo a{
    display: block;
}
#header .navi {
    display: flex;
    align-items: center;
}
#header .navi li {
    font-size: 14px;
    margin-left: 40px;
    margin-right: 40px;
}
#header .menu {
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    
}
#header .menu a {
    text-decoration: none;
    color: #000;
    display: block;
}

.controls {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    margin-bottom: 20px;
}

.controls select {
    padding: 8px 36px 8px 12px;
    min-width: 140px;
    font-size: 15px;
    border: 1px solid #bbb;
    border-radius: 6px;
    background-color: white;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, #707070 50%),
                      linear-gradient(135deg, #707070 50%, transparent 50%);
    background-position: calc(100% - 16px) 50%,
                         calc(100% - 10px) 50%;
    background-size: 6px 6px,
                     6px 6px;
    background-repeat: no-repeat;
}

.graph {
    
    max-height: 350px;
    max-width: 1200px;
    background: white;
    text-align: center;
}
.graph canvas {
    width: 100% !important;
    height: 350px !important;
}

.usage {
    margin-top: 10px;
    margin-bottom: 30px;
}
.usagerow {
    list-style: none;
}

.download {
    margin-top: 10px;
    margin-bottom: 30px;
}

.download-btn {
    display: inline-block;
    padding: 12px 20px;
    min-width: 120px;
    background: #0066cc;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: 0.2s;
}

.download-btn:hover {
    background: #004fa3;
    opacity: 1;
}

.controls select:hover {
    border-color: #707070;
}

#indiceInfo {
    margin-top: 10px;
    margin-bottom: 30px;
}

#datasetInfo {
    margin-top: 10px;
    margin-bottom: 30px;
}

#footer {
    font-size: 12px;
    padding-bottom: 20px;
    text-align: center;
}


@media screen and (max-width: 767px){

}