@charset "utf-8";
body {
    /* font-family: 'Noto Sans JP', 'Hiragino Sans', 'ヒラギノ角ゴ Pro', 'Hiragino Kaku Gothic Pro', 'メイリオ', Meiryo, 'ＭＳ Ｐゴシック', sans-serif; */
    font-feature-settings: 'palt';
}
.font_montserrat {
    font-family: 'Montserrat', sans-serif;
    font-style: italic;
    /*
    500:medium
    800:extra-bold
    */
}
.tategaki {
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
}
img {
    vertical-align: bottom;
}
* {
    letter-spacing: 0.06em;
}
a {
    text-decoration: none;
}

.wrapper {
    max-width: 640px;
    width: 100%;
    margin: auto;
    transition: right 0.4s;
    right: 0;
    position: relative;
}
html {
    font-size: 20px;
    --font-size: 20px;
    scroll-padding-top: calc(var(--font-size) * 4);
}
@media (max-width: 640px) {
    /* remの設定 */
    html {
        font-size: 10px;
        font-size: 3.125vw;
        --font-size: 3.125vw;
    }
    body {
        font-size: 1rem; /*1rem = 10pxとする*/
    }
}
.wrap {
    background-color: #eee;
    border: 0.1rem solid #000;
    position: relative;
    padding-left: 1.4rem;
    padding-right: 1.4rem;
    overflow: hidden;
}
.wrap::before,
.wrap::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    width: 0.1rem;
    background-color: #000;
    height: 100%;
    z-index: 2;
}
.wrap::before {
    left: 1.4rem;
}
.wrap::after {
    right: 1.4rem;
}

/* header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    background-color: #fff;
    z-index: 12;
    width: 100%;
    height: 4rem;
    max-width: 640px;
    margin: auto;
}
@media (min-width: 641px) {
    .header {
        right: 0;
    }
}
@media (max-width: 640px) {
    .header {
        transition: left 0.4s;
    }
}
.hd_logo {
    position: absolute;
    top: 1.2rem;
    left: 1.6rem;
    width: 9.5rem;
}
.hd_logo img {
    width: 100%;
    height: auto;
}

#btn_menu {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    background-color: #000;
    width: 4rem;
    height: 4rem;
}
.btn_menu_line {
    display: inline-block;
    position: absolute;
    left: 1.2rem;
    width: 1.6rem;
    height: 0.1rem;
    background-color: #fff;
}
.btn_menu_line_1 {
    top: 50%;
    margin-top: -0.3rem;
}
.btn_menu_line_2 {
    bottom: 50%;
    margin-bottom: -0.3rem;
}
.menu_open #btn_menu .btn_menu_line_1 {
    animation: menu_line_1 0.4s forwards;
}
.menu_open #btn_menu .btn_menu_line_2 {
    animation: menu_line_2 0.4s forwards;
}
@keyframes menu_line_1 {
    0% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(0.2rem) rotate(0);
    }
    100% {
        transform: translateY(0.2rem) rotate(35deg);
    }
}
@keyframes menu_line_2 {
    0% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(-0.3rem) rotate(0);
    }
    100% {
        transform: translateY(-0.3rem) rotate(-35deg);
    }
}
.menu_list {
    padding-block: 4.5rem;
}
.menu_list > li + li {
    margin-top: 2rem;
}
.menu_list > li a {
    color: #aaa;
    display: block;
    margin: 0 3rem;
    white-space: nowrap;
    height: 2.4rem;
    line-height: 2.4rem;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    font-style: italic;
    position: relative;
}
.menu_list > li a::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 0.2rem;
    background-color: #8d8d8d;
}
.menu_list > li a > span {
    position: relative;
    top: 1.5rem;
    opacity: 0;
}
.menu_open .menu_list > li a > span {
    top: 0;
    opacity: 1;
    transition:
        top 0.5s,
        opacity 0.5s;
}
.menu_list > li .is_current {
    color: #fff;
}
.menu_open .menu_list > li a::after {
    width: 100%;
    transition: width 0.4s;
}
.menu_open .menu_list > li:nth-child(1) a > span {
    transition-delay: 0.7s;
}
.menu_open .menu_list > li:nth-child(2) a > span {
    transition-delay: 0.9s;
}
.menu_open .menu_list > li:nth-child(3) a > span {
    transition-delay: 1.1s;
}
.menu_open .menu_list > li:nth-child(4) a > span {
    transition-delay: 1.3s;
}
.menu_open .menu_list > li:nth-child(5) a > span {
    transition-delay: 1.5s;
}
.menu_open .menu_list > li:nth-child(6) a > span {
    transition-delay: 1.7s;
}
.menu_open .menu_list > li:nth-child(7) a > span {
    transition-delay: 1.9s;
}
.menu_open .menu_list > li:nth-child(8) a > span {
    transition-delay: 2.1s;
}

.menu_open .menu_list > li:nth-child(1) a::after {
    transition-delay: 0.4s;
}
.menu_open .menu_list > li:nth-child(2) a::after {
    transition-delay: 0.6s;
}
.menu_open .menu_list > li:nth-child(3) a::after {
    transition-delay: 0.8s;
}
.menu_open .menu_list > li:nth-child(4) a::after {
    transition-delay: 1s;
}
.menu_open .menu_list > li:nth-child(5) a::after {
    transition-delay: 1.2s;
}
.menu_open .menu_list > li:nth-child(6) a::after {
    transition-delay: 1.4s;
}
.menu_open .menu_list > li:nth-child(7) a::after {
    transition-delay: 1.6s;
}
.menu_open .menu_list > li:nth-child(8) a::after {
    transition-delay: 1.8s;
}

.main {
    display: block;
    padding-top: 4rem;
}

/* footer */
.ft_lang {
    background-color: #000;
    text-align: center;
    position: relative;
    z-index: 2;
}
.ft_langlist {
    font-style: italic;
    font-size: 0;
}
.ft_langlist > li {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    width: 33%;
}
.ft_langlist > li + li::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    left: 0;
    background-color: #8c8c8c;
    width: 0.1rem;
    height: 2.4rem;
    margin-top: -1.2rem;
    margin-left: -0.05rem;
}
.ft_lang a {
    color: #aaaaaa;
    display: block;
    font-size: 1.2rem;
    height: 4.8rem;
    line-height: 4.8rem;
}
.ft_bottom {
    position: relative;
    z-index: 2;
    background-color: #fff;
    padding: 2rem 1.6rem 1.6rem;
}
.ft_hoyu_logo {
    width: 5.7rem;
}
.ft_hoyu_logo > img {
    width: 100%;
}
.ft_notes_list {
    font-size: 1.1rem;
    line-height: 1.3636;
    margin-top: 1.5rem;
}
.ft_notes_list > li {
    padding-left: 1em;
    text-indent: -1em;
}
.ft_copyright {
    font-size: 1.1rem;
    margin-top: 2.5rem;
    display: block;
    text-align: center;
}

.menu_open .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99;
}

#menu {
    position: fixed;
    top: 0;
    z-index: 1000;
    height: 100%;
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    background-color: #000;
    color: #fff;
}

@media (min-width: 641px) {
    #menu {
        right: 0;
        width: 0;
        transition: width 0.4s;
    }
    .menu_open #menu {
        width: 408px;
    }
}
@media (max-width: 640px) {
    #menu {
        width: 63.75%;
        right: -63.75%;
        transition: right 0.4s;
    }
    .menu_open #menu {
        right: 0;
    }
    .menu_open .header {
        left: -63.75%;
    }
    .menu_open .wrapper {
        right: 63.75%;
    }
}

.pankuzu {
    background-color: #000;
    color: #fff;
    padding: 0.65rem 1.5rem;
    line-height: 1;
    position: relative;
    z-index: 2;
}
.pankuzu_listitem {
    display: inline-block;
    vertical-align: middle;
    font-size: 0.9rem;
}
.pankuzu_listitem > a {
    color: #747474;
}
.pankuzu_listitem + .pankuzu_listitem {
    margin-left: 1rem;
}
.pankuzu_listitem + .pankuzu_listitem::before {
    content: '>';
    margin-right: 1rem;
    display: inline-block;
    vertical-align: middle;
    color: #747474;
}