@charset "utf-8";

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    color: #fff;
    position: relative;
    font: bold 1rem/1.8 "Noto Sans JP", sans-serif;
    overflow: hidden;
}

html,
body {
    height: 100%;
}

.header_catch {
    position: fixed;
    top: 0;
    left: 50%;
    translate: -50% 0;
    font-size: 24px;
    text-align: center;
    z-index: 100;
    pointer-events: none;
}

.header_sub_catch {
    position: fixed;
    bottom: 10px;
    right: 20px;
    font-size: 16px;
    text-align: left;
    z-index: 100;
    pointer-events: none;
}

.section {
    width: 100vw;
    height: 100vh;
    background: url(../img/mv.jpg) no-repeat center / cover;

    &::before {
        content: "";
        width: 2px;
        height: 100vh;
        display: block;
        background: #fff;
        position: absolute;
        left: 100px;
    }

    &::after {
        content: "";
        width: 100vw;
        height: 2px;
        display: block;
        background: #fff;
        position: absolute;
        bottom: 100px;
        left: 0;
    }
}

.section:nth-child(2n) {
    background: url(../img/mv2.jpg) no-repeat center / cover;
}

.section:nth-child(3n) {
    background: url(../img/mv3.jpg) no-repeat center / cover;
}

.section:first-child {
    h1 {
        font-size: 120px;
        line-height: .5;
        position: absolute;
        top: 50%;
        left: 20%;
        translate: 0 -50%;

        em {
            font-size: 170px;
        }

        span {
            font-size: 40px;
        }
    }
}

.section:nth-child(2),
.section:nth-child(3),
.section:nth-child(4),
.section:nth-child(5),
.section:nth-child(6) {
    .intro {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: space-around;
        align-items: center;

        ul {
            display: flex;
            gap: 10px;
            flex-direction: column;

            li {
max-width:500px;
                width: 400px;
                background: rgb(255 255 255 / 0.8);
                font-size: 16px;

                a {
                    width: 100%;
                    height: 100%;
                    display: block;
                    padding: 10px 50px;
                    color: #000;
                }
            }
        }
    }
}

.section:nth-child(2) {
    .intro {
        h1 {
            font-size: 40px;
        }
    }
}

.section:nth-child(3),
.section:nth-child(4),
.section:nth-child(5),
.section:nth-child(6) {
    .intro {
        h1 {
            font-size: 30px;

            span {
                font-size: 16px;
                display: block;
            }
        }

        ul {
            li {
                a {
                    padding: 30px 50px;
                }
            }
        }
    }
}

.section:last-child {
    h1 {
        font-size: 40px;
        position: absolute;
        top: 50%;
        left: 50%;
        translate: -50% -50%;
    }
}

@media (max-width:767px) {
    .header_catch {
        font-size: 18px;
    }

    .header_sub_catch {
        font-size: 14px;
    }

    .section {
        width: 100%;

        &::before {
            left: 30px;
        }

        &::after {
            bottom: 80px;
        }
    }

    .section:first-child {
        h1 {
            font-size: 40px;
            line-height: 0.5;
            position: absolute;
            top: 50%;
            left: 20%;
            translate: 0 -50%;

            em {
                font-size: 55px;
            }

            span {
                font-size: 16px;
            }
        }
    }

    .section:nth-child(2),
    .section:nth-child(3),
    .section:nth-child(4),
    .section:nth-child(5),
    .section:nth-child(6) {
        .intro {
            flex-direction: column;
            justify-content: center;
            gap: 30px;

            ul {
                width: 80%;

                li {
                    width: 100%;
                    font-size: 14px;

                    a {
                        padding: 10px 30px;
                    }
                }
            }
        }
    }

    .section:nth-child(2) {
        .intro {
            h1 {
                font-size: 32px;
            }
        }
    }

    .section:nth-child(3),
    .section:nth-child(4),
    .section:nth-child(5),
    .section:nth-child(6) {
        .intro {
            h1 {
                font-size: 32px;

                span {
                    font-size: 14px;
                }
            }

            ul {
                li {
                    a {
                        padding: 30px;
                    }
                }
            }
        }
    }

    .section:last-child {
        h1 {
            font-size: 24px;
            width: 100%;
            text-align: center;
        }
    }
}