body{
    font-family:"MS Sans Serif";
    width:100%;
    margin-right: auto;
    margin-left : auto;
    margin-top:0;
    margin-bottom: 0;
    color: #ffffff;
}

#article{
    br{
        display: none;
    }
    margin: 0 10vw;
    .midashi{
        margin-bottom: 5vw;
        h1{
            font-size: 5vw;
            background: linear-gradient(130deg, #b41f24 10%, #b41f2457 30%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 0;
        }
        h2{
            font-size: 2vw;
            font-weight: lighter;
            color: black;
            margin: 0;
            margin-top: -1vw;
        }
        h3{
            font-size: 3vw;
            font-weight: lighter;
            background: linear-gradient(130deg, #b41f24 , #b41f2457 );
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 0;
        }
        p{
            font-size: 1vw;
            color: black;
            margin: 0;
        }
        hr{
            width: 80vw;
            margin: 2vw 0vw;
        }
    }
    .honbun{
        font-family: serif;
        .mini-midashi{
            h2{
                font-size: 2vw;
                font-weight: lighter;
                color: black;
                margin: 0;
            }
            hr{
                width: 80vw;
                margin-bottom: 2vw;
            }
        }
        .text{
            p{
                font-size: 1.2vw;
                color: black;
            }
            a{
                p{
                    color: #b41f24;
                    margin: 0;
                }
            }
        }
    }
    .back{
        text-align: center;
        width: 30vw;
        height: 5vw;
        margin-left: auto;
        margin-right: auto;
        margin-top: 9vw;
        p{
            color: #101010;
            background-color: #b41f2457;
            padding: 1vw;
            border-radius: 3vw;
            box-shadow: 3px 3px 5px -1px rgba(0,0,0,0.1);
            font-size: 1vw;
        }
    }
}


#article .back p {
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

#article .back p:hover {
  background-color: #b41f24;
  color: white;
}

.space{
    height:8vw;
}



html{
    height:100%;
}
body{
    font-family:"ヒラギノ角ゴ Pro N","MS Pゴシック",sans-serif;
    width:100%;
    height:100%;
    margin-right: auto;
    margin-left : auto;
    margin-top:0;
    margin-bottom: 0;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    color: #ffffff;
}
.wrapper{
    position:relative;
    min-height: 100vh;
    padding-bottom: 100px;
}

img{
width:100%;
vertical-align:middle;
}


header{
    display: flex;
    width:100%;
    background-color:#b41f24;
    color:#ffffff;
    height:8vw;
    img{
        width:6vw; height:6vw; padding:1vw; padding-left: 2vw;
    }
    h2{
        width:50%;
        margin:0;
        padding-left: 2vw;
        line-height: 8vw;
    }
}
footer{
    position:absolute;
    bottom: 0;
    display: flex;
    width:100%;
    background-color:#b41f24;
    color:#ffffff;
    height:8vw;
    img{
        width:6vw; height:6vw; padding:1vw; padding-left: 2vw;
    }
    h2{
        width:50%;
        margin:0;
        padding-left: 2vw;
        line-height: 8vw;
    }
}
hr{
    width:100%;
 }
a{
    text-decoration: none;
    color:#ffffff;
}
video{
    width:40%;
}
@media screen and (max-width: 640px) {
    video{
        width:70%;
    }
    header{
        height:16vw;
        img{
            width:14vw;
            height:14vw;
        }
        h2{
            line-height: 16vw;
        }
    }
    footer{
        height:16vw;
        img{
            width:14vw;
            height:14vw;
        }
        h2{
            line-height: 16vw;
        }
    }
    #article{
        br{
            display: block;
        }
    .midashi{
        h1{
            font-size: 15vw;
        }
        h2{
            font-size: 4vw;
        }
        h3{
            font-size: 8vw;
            line-height: 1.2;
            margin-top: 8vw;
            margin-bottom: 8vw;
        }
        p{
            font-size: 3vw;
        }
    }
    .honbun{
        .mini-midashi{
            h2{
                font-size: 5.5vw;
            }
        }
        .text{
            p{
                font-size: 4.5vw;
                margin-top: 5vw;
                margin-bottom: 5vw;
            }
        }
    }
    .back{
        width:50vw;
        margin-left: auto;
        margin-right: auto;
        p{
            font-size: 2.8vw;
        }
    }
}
}

@media screen and (min-width: 640px) {
    img{
        width:50%;
    }
    #article{
        .honbun{
            .text{
                p{
                    br{
                        display: block;
                    }
                }
            }
        }
    }
}