@charset "UTF-8";

body {
    background-color: #f2f2f2;
    color: #7b7b7b;
    margin: 0;
    padding: 0;
}

.top_img-frame {
    position: relative;
    width: 100%;
    height: 100dvh;
    overflow: hidden;
}

.top_img-01,
.top_img-02,
.top_img-03 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
}

.top_img-01 {
    background-image: url(../img/fluffy_top.jpg);
    background-position: right 50% top 27%;
    animation: slide-animation-01 18s infinite;
}

.top_img-02 {
    background-image: url(../img/fluffy_top_2.jpg);
    background-position: right 50% top 35%;
    animation: slide-animation-02 18s infinite;
}

.top_img-03 {
    background-image: url(../img/fluffy_top_3.jpg);
    background-position: right 50% top 20%;
    animation: slide-animation-03 18s infinite;
}

@keyframes slide-animation-01 {
    0% {
        opacity: 1;;
    }

    30% {
        opacity: 1;
    }

    40% {
        opacity: 0;;
    }

    90% {
        opacity: 0
    }

    100% {
        opacity: 1;;
    }
}

@keyframes slide-animation-02 {
    0% {
        opacity: 0;
    }

    30% {
        opacity: 0;;
    }

    40% {
        opacity: 1;
    }

    60% {
        opacity: 1;
    }

    70% {
        opacity: 0;;
    }

    100% {
        opacity: 0;
    }
}

@keyframes slide-animation-03 {
    0% {
        opacity: 0;
    }

    60% {
        opacity: 0;;
    }

    70% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        opacity: 0;;
    }
}

.title {
    position: absolute;
    right: 50px;
    bottom: 0;
    text-align: center;
}

.title h2 {
    font-family: 'Times New Roman', Times, serif;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #fff;
}

.title h1 {
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(1.875rem, 1.039rem + 3.61vw, 3.75rem);
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #fff;
    margin-top: 0;
}

.scrolldown {
    position: absolute;
    left: 5%;
    top: 5%;
    height: 50px;
}


.scrolldown span {
    position: absolute;
    left: -50px;
    top: 75px;
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(0.938rem, 0.824rem + 0.57vw, 1.25rem);
    font-weight: 500;
    color: #fff;
    letter-spacing: 0.15em;
    transform: rotate(270deg);
}

.scrolldown::after {
    content: "";
    position: absolute;
    top: 0;
    right: 30px;
    width: 2px;
    height: 100px;
    background: #fff;
    animation: pathmove 1.4s ease-in-out infinite;
    opacity: 0;
}


@keyframes pathmove {
    0% {
        height: 0;
        top: 0;
        opacity: 0;
    }

    30% {
        height: 100px;
        opacity: 1;
    }

    100% {
        height: 0;
        top: 130px;
        opacity: 0;
    }
}
@media screen and (max-width:500px) {
    .title {
        right: 20px;
    }
    .scrolldown {
        left: 12%;
        top: 0;
    }
    
}

.menu {
    max-width: 1200px;
    margin: 100px auto 200px;
}

.menu ul {
    display: flex;
    justify-content: center;
    text-decoration: none;
    gap: 120px;
    padding: 0;
}

.menu ul li {
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(0.938rem, 0.795rem + 0.61vw, 1.25rem);
    color: #6f96a5;
    letter-spacing: 0.2em;
    list-style: none;
}

.menu ul li a {
    position: relative;
}

.menu ul li a::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background-color: #6f96a5;
    position: absolute;
    left: 0;
    bottom: -1px;
    transform: scale(0, 1);
    transform-origin: left top;
    transition: transform 0.3s;
}

.menu ul li a:hover::after {
    transform: scale(1, 1);
}

@media screen and (max-width:900px) {
    .menu {
        margin: 80px auto 100px;
    }
    .menu ul {
        gap: 80px;
    }
    .menu ul li a::after {
        height: 0;
    }
    .menu ul li a:hover::after {
        transform: none;
    }
}

@media screen and (max-width:500px) {
    .menu {
        margin: 50px auto 80px;
    }
    .menu ul {
        gap: 30px;
    }
    .menu ul li a::after {
        height: 0;
    }
    .menu ul li a:hover::after {
        transform: none;
    }
}

a {
    text-decoration: none;
}

.line {
    width: 1.5px;
    height: 30px;
    margin: 50px auto;
}

@media screen and (max-width:500px) {
    .line {
        width: 0.5px;
        margin: 30px auto;
    }
}

.footer {
    width: 100%;
    height: 150px;
    background-color: #6f96a5;
}

.footer ul {
    display: flex;
    justify-content: center;
    gap: 50px;
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(0.938rem, 0.795rem + 0.61vw, 1.25rem);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: #fff;
    list-style: none;
    margin-bottom: 60px;
    padding: 0;
}

.footer ul li {
    margin-top: 30px;
}

.footer small {
    display: block;
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(0.625rem, 0.568rem + 0.24vw, 0.75rem);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: #fff;
    text-align: center;
}

@media screen and (max-width:500px) {

.footer {
    height: 100px;
}
    .footer ul {
        gap: 23px;
        margin-bottom: 30px;
    }
}

.fadein {
    animation-name: fadein;
    animation-duration: 4s;
    animation-timing-function: ease-out;
}

@keyframes fadein {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}