html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}
body {
    overflow-x: hidden;
}
* {
    line-height: 1.5;
}
picture {
    display: inline-block;
}
img {
    display: inline-block;
    width: auto;
}
.top-button {
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: block;
    width: 75px;
    height: 75px;
    z-index: 9999;
    @media (768px > width) {
        bottom: 25px;
        right: 25px;
        width: 60px;
        height: 60px;
    }
}
.l-inner {
    box-sizing: border-box;
    max-width: 1330px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.mb20 {
    margin-bottom: 20px;
}
.pc {
    display: block!important;
    @media (768px > width) {
        display: none!important;
    }
}
.sp {
    display: none!important;
    @media (768px > width) {
        display: block!important;
    }
}
.pc960 {
    display: block!important;
    @media (960px > width) {
        display: none!important;
    }
}
.sp960 {
    display: none!important;
    @media (960px > width) {
        display: block!important;
    }
}
.sp-full {
    @media (768px > width) {
        width: 100vw;
        /* margin: 0 calc(50% - 50vw); */
    }
}
.c-title {
    margin: 0 auto 1.8rem;
}
.c-button {
    display: block;
    width: 330px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}
.p-winterMv {
    padding: 3rem 0;
    /* height: 360px; */
    background: url(../images/bg-mv.webp) top center / cover no-repeat, #E7FBFF;
    @media (768px > width) {
        padding: 1rem 0 0;
        background: url(../images/bg-mv-sp.webp) top center / 100% auto no-repeat, #E7FBFF;
    }
    & .p-winterMv__inner {
        display: flex;
        justify-content: center;
        @media (768px > width) {
            padding-bottom: 11rem;
        }
    }
    & .p-winterMv__left {
        max-width: 496px;
        @media (768px > width) {
            display: none;
        }
    }
    & .p-winterMv__right {
        width: 100%;
        max-width: 596px;
        height: 100%;
        margin-top: .5rem;
        background: url(../images/mv-bg-img.webp) bottom center / 100% auto no-repeat;
        @media (768px > width) {
            background: none;
        }
        > img {
            width: 100%;
            max-width: 430px;
            margin-bottom: 2rem;
            @media (768px > width) {
                margin: -1rem auto 1.5rem;
                padding: 0 1rem;
            }
            &:first-of-type {
                margin: 0 auto;
            }
        }
        & .c-button {
            img {
                width: 100%;
            }
        }
        & > div {
            @media (768px > width) {
                display: flex;
                flex-direction: column-reverse;
                align-items: center;
                gap: 1rem;
            }
            &::after {
                position: absolute;
                top: 0;
                left: 0;
                display: block;
                width: 100px;
                height: 200px;
                
                z-index: 1;
            }
            > img {
                width: 100%;
                max-width: 420px;
                margin-bottom: .5rem;
                @media (768px > width) {
                    margin-bottom: 0;
                    padding: 0 4rem;
                }
            }
        }
    }
}
.p-winterAbout {
    padding: 3rem 0 14rem;
    background-color: #E7FBFF;
    @media (960px > width) {
        padding: 0 0 8rem;
        /* background-color: #FFF; */
    }
    & .p-winterAbout__list {
        display: flex;
        justify-content: center;
        gap: 3.8rem;
        margin-bottom: 4rem;
        @media (960px > width) {
            flex-direction: column;
            gap: 0;
            margin-bottom: 2.5rem;
        }
        & .between {
            @media (960px > width) {
                margin-bottom: 2rem;
                padding: 0 3rem;
            }
            .half {
                display: block;
                width: 56%;
                margin: 1rem auto 0 0;
            }
        }
        & .p-winterAbout__item {
            box-sizing: content-box;
            width: 50%;
            container-name: card-container;
            max-width: 500px;
            border-radius: 2.4rem;
            padding: 2rem 3rem;
            border: 5px solid #1791af;
            background-color: #FFF;
            @media (960px > width) {
                box-sizing: border-box;
                width: 100%;
                max-width: none;
                padding: 2rem 1.5rem;
            }
            &:first-of-type {
                background-color: #FFFFDC;
                @media (960px > width) {
                    margin-bottom: 2rem;
                }
            }
            & .snow-title {
                display: inline-block;
                margin-bottom: .5rem;
            }
            & .snow02 {
                display: inline-block;
                margin-top: -2rem;
                @media (960px > width) {
                    margin-bottom: .5rem;
                }
            }
            & .snow03 {
                @media (960px > width) {
                    margin-bottom: .5rem;
                }
            }
            & .p-winterAbout__content {
                display: flex;
                align-items: center;
                gap: 2.4rem;
                margin-bottom: 1rem;
                @media (960px > width) {
                    gap: .3rem;
                }
                &.snow {
                    @media (960px > width) {
                        flex-direction: row-reverse;
                    }
                    img {
                        width: 22vw;
                        max-width: 270px;
                        height: 100%;
                        @media (960px > width) {
                            width: 51vw;
                            max-width: 220px;
                            margin-left: -1rem;
                            margin-right: .3rem;
                        }
                    }
                }
                &.reverse {
                    flex-direction: row-reverse;
                    margin-bottom: 3rem;
                    img {
                        width: 100%;
                        max-width: 252px;
                        height: 100%;
                        margin-left: -4rem;
                        @media (960px > width) {
                            width: 47vw;
                            max-width: 206px;
                            margin-left: -1rem;
                        }
                    }
                }
                &.yukiasobi03 {
                    p {
                        padding-left: 2rem;
                    }
                }
                p {
                    text-align: left;
                    font-size: 2rem;
                    letter-spacing: .1rem;
                    color: #000000;
                    @media (960px > width) {
                        font-size: 1.6rem;
                    }
                }
                img {
                    width: 26vw;
                    max-width: 289px;
                    height: 100%;
                    margin-right: -4rem;
                    @media (960px > width) {
                        width: 54.8vw;
                        max-width: 236px;
                        margin-right: -1.6rem;
                    }
                }
                @container card-container (max-width: 500px) {
                    &.snow {
                        img {
                            width: 22vw;
                            max-width: 270px;
                        }
                    }
                }
            }
        }
    }
}
.p-winterSchedule {
    position: relative;
    padding: 0 0 14rem;
    background: #94E5FF;
    @media (768px > width) {
        padding: 0 0 10rem;
    }
    & > img {
        position: absolute;
        top: -130px;
        left: 0;
        width: 100%;
        height: 100%;
        display: block;
        width: 100vw;
        height: 180px;
    }
    & .p-winterSchedule__image {
        position: relative;
        margin-top: -4rem;
    }
}
.p-winterSRoom {
    position: relative;
    padding: 0 0 17rem;
    background: #FFF;
    @media (768px > width) {
        padding: 0 0 7rem;
    }
    > img {
        position: absolute;
        top: -180px;
        left: 0;
        width: 100%;
        height: 100%;
        display: block;
        width: 100vw;
        height: 180px;
        @media (768px > width) {
            top: -140px;
        }
    }
    & .p-winterRoom__image {
        position: relative;
        margin-top: -4rem;
        @media (768px > width) {
            margin-left: -5.5rem;
        }
    }
}
.p-winterGan {
    position: relative;
    background: #3AB7AB;
    @media (960px > width) {
        padding: 0 0 4rem;
    }
    > picture {
        & img {
            position: absolute;
            top: -178px;
            left: 0;
            width: 100%;
            height: 100%;
            display: block;
            width: 100vw;
            height: 180px;
            @media (960px > width) {
                top: -80px;
            }
        }
    }
    & .c-title {
        margin: 0 auto 
            clamp(-9rem, -9rem + 4vw, -5rem)
            clamp(11rem, 21rem - 10vw, 21rem);
        @media (960px > width) {
            display: none;
        }
    }
    & .c-button {
        transform: translateY(36px);
    }
    & .p-winterGan__list {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: flex-end;
        max-width: 1040px;
        margin: 0 auto 4.4rem;
        @media (960px > width) {
            flex-direction: column;
            align-items: center;
            margin: 0 auto;
        }
        & .p-winterGan__item {
            &:first-of-type {
                width: calc(100% - 470px);
                max-width: 570px;
                @media (960px > width) {
                    width: 100%;
                }
                img {
                    @media (960px > width) {
                        margin-left: -3.2rem;
                    }
                }
            }
            &:last-of-type {
                max-width: 470px;
                p {
                    text-align: left;
                    font-size: 2.1rem;
                    color: #000;
                    @media (960px > width) {
                        font-size: 1.7rem;
                    }
                }
            }
        }
    }
}
.p-winterSupport {
    padding: 6.2rem 0;
    background-color: #E7FBFF;
    @media (768px > width) {
        padding: 3.2rem 0;
        background-color: #FFF;
    }
    & .c-title {
        max-width: 346px;
    }
    & .p-winterSupport__inner {
        position: relative;
        margin-bottom: 15rem;
        padding: 5rem 10rem;
        border-radius: 3.18rem;
        background-color: #fff;
        @media (1024px > width) {
            padding: 5rem 3rem;
        }
        @media (768px > width) {
            margin-bottom: 10rem;
            padding: 7rem 0 4rem;
        }
        > .c-title {
            max-width: 380px;
        }
        & .c-button {
            margin-bottom: -8rem;
            @media (768px > width) {
                margin-bottom: -13rem;
            }
        }
    }
    & .p-winterSupport__box {
        margin-bottom: 2rem;
        padding: 4rem 5rem;
        border: 5px solid #1791af;
        border-radius: 1rem;
        background-color: #46C2E0;
        @media (768px > width) {
            padding: 2rem 1.5rem 4rem;
        }
        & .c-title {
            max-width: none;
        }
        & .p-winterSupport__point {
            margin-bottom: 2rem;
            @media (768px > width) {
                margin-bottom: 1rem;
            }
        }
        & .reason02 {
            gap: 5rem;
            margin-bottom: 0;
        }
        & .sp-text {
            @media (768px > width) {
                /* width: 50%; */
                text-align: left;
                margin-bottom: 1rem;
                font-size: 1.7rem;
            }
        }
        + div {
            max-width: 500px;
            margin: 0 auto 3rem;
        }
        li {
            text-align: left;
            font-size: 2rem;
            @media (768px > width) {
                font-size: 1.7rem;
            }
        }
    }
    & .p-winterSupport__list {
        display: flex;
        gap: 2rem;
        margin-bottom: 5rem;
        @media (960px > width) {
            flex-direction: column;
            align-items: center;
            margin-bottom: 4.5rem;
        }
        
        & .p-winterSupport__item {
            width: 50%;
            @media (960px > width) {
                width: 80%;
            }
            @media (768px > width) {
                width: 100%;
            }
            &.pc {
                width: 100%;
            }
            &.problem {
                @media (768px > width) {
                    padding: 0 2rem;
                }
            }
            h4 {
                margin-bottom: .8rem;
                font-size: 2.8rem;
                font-weight: bold;
                color: #FF5C5E;
                @media (1024px > width) {
                    font-size: 2.4rem;
                }
            }
            p {
                text-align: left;
                padding: 0 5.5rem;
                font-size: 2.1rem;
                letter-spacing: .18rem;
                line-height: 1.5;
                color: #000;
                @media (1024px > width) {
                    padding: 0;
                }
                @media (768px > width) {
                    font-size: 1.7rem;
                }
            }
        }
    }
    & .p-winterSupport__image {
        @media (768px > width) {
            margin-bottom: 2.2rem;
        }
    }
}

.p-winterImp {
    @media (768px > width) {
        width: 100vw;
        margin: 0 calc(50% - 50vw) 4.6rem;
        padding: 0 0 3rem;
        background-color: #FFFFB4;
    }
    & .c-title {
        max-width: 376px;
        margin: 0 auto -1.75rem;
        @media (768px > width) {
            max-width: 306px;
            margin: 0 auto;
            transform: translateY(65px);
        }
    }
    & .p-winterImp__list {
        display: flex;
        margin-bottom: 9.8rem;
        padding: 4.8rem 10rem 3rem;
        border-radius: 3.18rem;
        background-color: #FFFFB4;
        @media (768px > width) {
            flex-direction: column;
            margin-bottom: 0;
            padding: 7.8rem 1rem 3rem;
            border-radius: 0;
        }
    }
}
.p-winterFaq {
    position: relative;
    max-width: 900px;
    margin: 0 auto 4rem;
    border-radius: 1rem;
    background: linear-gradient(to right, #FF9C00, #FF5C5E);
    padding: 5px;
    & .p-winterFaq__inner {
        padding: 2rem 3rem;
        background-color: #46C2E0;
        border-radius: 1rem;
        @media (768px > width) {
            padding: 2rem 1rem;
        }
    }
    .c-title {
        width: 375px;
        margin: 0 auto 3rem;
        @media (768px > width) {
            width: 280px;
            margin: 0 auto 1.25rem 0;
        }
    }
    & .c-titleEn {
        max-width: 86px;
        margin: 0 auto;
        @media (768px > width) {
            margin: 0 auto 0 0;
        }
    }
}
details {
    height: auto;
    transition: 0.5s;
    border-bottom: 2px dotted #fff;
    background-color: #46C2E0;
    color: #fff;
}
details:first-of-type {
    border-top: 2px dotted #fff;
}
details[open] {
    height: auto;
}
details p {
    text-align: left;
    margin: 1rem;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1.8rem;
    background: #fff;
    color: #000;
}
summary {
    position: relative;
    display: flex;
    align-items: center;
    padding: 2.2rem 0 2.2rem 1rem;
    font-size: 2rem;
    font-weight: bold;
    @media (768px > width) {
        padding: 1.6rem 0 1.6rem .5rem;
        font-size: 1.6rem;
    }
}
summary::-webkit-details-marker {
    display: none; /* 矢印アイコンを非表示にする */
}
summary img {
    box-sizing: content-box;
    width: 42px;
    padding-right: .75rem;
    @media (768px > width) {
        width: 34px;
        padding-right: .5rem;
    }
}
summary:before {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    content: "＋";
    font-size: 2.6rem;
    font-weight: bold;
}
[open] summary:before {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    content: "ー";
}
.p-winter__banner {
    display: block;
    width: 280px;
    margin: 0 auto 5.5rem;
    @media (960px > width) {
        width: 235px;
        margin: 0 auto 4.8rem;
    }
}
.l-header {
    position: static;
    padding: 0 1.25rem;
    background-color: #FFF;
    & .l-header__inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1040px;
        margin: 0 auto;
        padding: .7rem 0;
        @media (960px > width) {
            padding: .7rem 1rem;
        }
    }
    & .l-header__logo {
        img {
            height: 30px;
            @media (960px > width) {
                height: auto;
            }
        }
    }
    & .l-header__address {
        display: flex;
        align-items: center;
        color: #0C4886;
        @media (960px > width) {
            display: none;
        }
        img {
            width: 42px;
            @media (960px > width) {
                width: 68px;
            }
        }
        p {
            padding-right: .5rem;
            font-size: 1.2rem;
            @media (960px > width) {
                font-size: 1rem;
            }
        }
}
}
.l-footer {
    & .l-footerSns {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 4.5rem;
        padding: 4rem 2rem;
        @media (960px > width) {
            flex-wrap: wrap;
            gap: 2rem;
            padding: 0 4rem 2rem;
        }
        & .l-footerSns__title {
            @media (960px > width) {
                width: 148px;
            }
        }
        & .l-footerSns__list {
            display: flex;
            gap: 1rem;
        }
        & .l-footerSns__item {
            width: 83px;
            @media (960px > width) {
                width: calc(100% / 5);
            }
        }
    }

    & .l-footerInfo {
        text-align: center;
        padding: 2rem 0;
        background: linear-gradient(to left, #00A09C, #009BC3);
        & .l-inner {
            @media (960px > width) {
                padding: 0 .8rem;
            }
        }
        > p {
            font-size: 1.05rem;
            color: #FFF;
        }
        & .l-footer__text {
            display: inline-block;
            margin-bottom: 2rem;
            padding: 1rem 10rem;
            font-size: 1.5rem;
            font-weight: bold;
            border: 1px solid #fff;
            color: #fff;
            @media (960px > width) {
                padding: 1rem .75rem;
                font-size: 1.2rem;
            }
        }
        & .l-footerInfo__inner {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 4.5rem;
            margin-bottom: 1.6rem;
            color: #fff;
            @media (960px > width) {
                flex-direction: column-reverse;
                gap: 1rem;
            }
        }
        & .l-footerInfo__title {
            max-width: 47rem;
            margin: 0 auto 2rem;
        }
        & .l-footerInfo__contact {
            display: flex;
            align-items: center;
            a {
                padding-right: .3rem;
                font-size: 2.8rem;
                font-weight: bold;
                color: #fff;
                @media (960px > width) {
                    font-size: 2.2rem;
                }
            }
            p {
                display: inline-block;
                padding: .4rem;
                font-size: 1.4rem;
                border-radius: .4rem;
                color: #3AB7AB;
                background-color: #fff;
            }
        }
        & .l-footerInfo__address {
            display: flex;
            align-items: center;
            img {
                width: 83px;
                @media (960px > width) {
                    width: 68px;
                }
            }
            p {
                padding-right: .5rem;
                font-size: 1.2rem;
                @media (960px > width) {
                    font-size: 1rem;
                }
            }
        }
    }
}