* {
    box-sizing: border-box;
}

.img img {
    max-width: 100%;
    height: auto;
}

p,ul,ol,dl,table,blockquote,
h1,h2,h3,h4,h5,h6 {
    margin-top: 0;
    margin-bottom: 30px;
}

p,span,li,th,td,dt,dd {
    font-size: 15px;
    line-height: 1.6;
    /*color: #555;*/
}

#g-header {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    background: #eee;
    padding: 10px;
    margin-bottom: 30px;
}

#g-header .logo {
    width: 250px;
    margin-bottom: 0;
    line-height: 1;
}

#g-header .g-menu {
    width: calc(100% - 260px);
    margin-bottom: 0;
}

#g-header .g-menu-list {
    text-align: right;
    margin-bottom: 0;
}

#g-header .g-menu-list-item {
    display: inline-block;
    margin-left: 15px;
    margin-right: 15px;
}

#main {
    width: 1050px;
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
    margin-bottom: 70px;
}

#main .main-content {
    width: 770px;
    margin-right: 30px;
}   

#main .hero {
    background: #eee;
    padding: 35px;
    line-height: 1;
}

.change-data-list {
    padding-left: 0;
    line-height: 0;
    font-size: 0;
}

.change-data-list-item {
    display: inline-block;
    font-size: 14px;
    width: calc((100% - 25px) / 6);
    margin-right: 5px;
    text-align: center;
}

.change-data-list-item:last-child {
    margin-right: 0;
}

.change-data-list-item a {
    display: block;
    width: 100%;
    height: 100%;
    padding: .5em;
    background: #ddd;
    color: #444;
    text-decoration: none;
    border-radius: 4px;
}

.change-data-list-item a:hover {
    color: #900;
}

#main .sidebar {
    width: 250px;   
}

.sidebar .sidebar-title {
    font-size: 17px;
    color: #333;
    border-left: 4px solid #ddd;
    padding-left: 1em;
    margin-bottom: 10px;
}   

#g-footer {
    background: #dddddd;
    text-align: center;
    padding-top: 0.5em;
    padding-bottom: 0.5em;
}

#g-footer p {
    font-size: 11px;
    margin-bottom: 0;
}

@media (max-width: 1050px) {
    #main {
        width: 770px;
        margin: 0 auto;
    }
    #main .main-content {
        margin-right: 0;
    }
    #main .sidebar {
        width: 530px;
        margin: 0 auto;
        display: flex;
        flex-flow: row wrap;
    }
    #main .sidebar-content {
        margin: 0 30px 0 0;
    }
    #main .sidebar-content:nth-child(2n) {
        margin-right: 0;
    }
}

@media (max-width: 770px) { 
    #main {
        width: 95%;
        margin: 0 auto;
    }
    #main .main-content {
        width: 100%;
        margin-right: 0;
    }
}

@media (max-width: 700px) {
    #g-header {
        display: block;
    }
    #g-header .logo {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
    }
    #g-header .g-menu {
        width: 100%;
    }
    #g-header .g-menu-list {
        padding-left: 0;
        text-align: center;
    }
}   

@media (max-width: 640px) {
    #main .hero {
        padding: 15px;
    }
}

@media (max-width: 560px) {
    #main .sidebar {
        width: 80%;
    }
    #main .sidebar-content {
        width: calc(50% - 15px);
        margin-right: 30px;
    }
    #main .sidebar-content:nth-child(2n) {
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    #g-header {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: 0;
    }
    #g-header .g-menu-list {
        display: flex;
        flex-flow: row wrap;
        border-top: 1px solid #ddd;
    }
    #g-header .g-menu-list-item {
        width: 50%;
        border-bottom: 1px solid #ddd;
        margin: 0;
        border-right: 1px solid #ddd;
        padding-top: 5px;
        padding-bottom: 5px;
    }

    #g-header .g-menu-list-item:nth-child(2n) {
        border-right: 0;
    }
}

@media (max-width: 360px) {
    #main .sidebar-content {
        width: 100%;
        margin: 0 0 30px 0;
    }
}

.hero {
    display: none;
}