:root {
    /* color
    ============================================ */
    --white: #ffffff;
    --black: #222222;
    --bg: #221B41;
    --primary: #3F3277;
    --secondary: #7566d9;

    /* font-size
    ============================================ */
    /* 16-18px */
    --body: clamp(1rem, 0.956rem + 0.19vw, 1.125rem);
    /* 32-40px */
    --font-xl: clamp(2rem, 1.773rem + 0.97vw, 2.5rem);
    /* 24-27px / bodyの1.5倍 */
    --font-lg: calc(var(--body) * 1.5);
    /* 19.2-21.6px / bodyの1.2倍 */
    --font-md: calc(var(--body) * 1.2);
    /* 14-24px */
    --font-sm: clamp(0.875rem, 0.705rem + 0.73vw, 1.25rem);
    /* 14-15px */
    --font-xs: clamp(0.875rem, 0.847rem + 0.12vw, 0.938rem);

    /* white-space
    ============================================ */
    --v-space: clamp(90px, 9vw, 120px);
    /* 20-30px */
    --space-xs: clamp(1.25rem, 1.03rem + 0.94vw, 1.875rem);
    /* 30-45px */
    --space-sm: calc(var(--space-xs) * 1.5);
    /* 40-60px */
    --space-md: calc(var(--space-xs) * 2);
    /* 60-90px */
    --space-lg: calc(var(--space-xs) * 3);
    /* 80-120px */
    --space-xl: calc(var(--space-xs) * 4);
    /* 20-60px */
    --space-jump: clamp(1.25rem, 0.37rem + 3.76vw, 3.75rem);
}

* {
    box-sizing: border-box;
    min-height: 0vw;
    min-height: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--white);
    font-family: "Shippori Mincho B1", serif;
    font-size: var(--body);
    line-height: 2;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

.w-inner {
    max-width: clamp(320px, 85%, 1280px);
    margin: auto;
    position: relative;
}

.br-sp {
    display: none;
}

@media (max-width: 1080px) {
    .br-sp {
        display: block;
    }
}

.t-left {
    text-align: left;
}

.t-center {
    text-align: center;
}

/* fadeUp */
.scroll-up {
    transition: 0.8s ease-in-out;
    transform: translateY(30px);
    opacity: 0;
}

.scroll-up.on {
    transform: translateY(0);
    opacity: 1.0;
}

.timing2 {
    transition-delay: .2s;
}

.timing3 {
    transition-delay: .4s;
}

.timing4 {
    transition-delay: .6s;
}

.timing5 {
    transition-delay: .8s;
}

/* gradient */
@keyframes hero-gradient-animation {
    0% {
        --c-0: hsla(141, 53%, 94%, 0);
        --s-start-0: 6.098797098180546%;
        --s-end-0: 55.964844930849445%;
        --y-0: 97%;
        --x-0: 98%;
        --s-start-1: 12;
        --s-end-1: 73;
        --x-1: 110%;
        --y-1: 67%;
        --c-1: hsla(201.11111111111111, 45%, 52%, 1);
        --s-start-2: 12;
        --s-end-2: 73;
        --c-2: hsla(235, 72%, 43%, 1);
        --y-2: 79%;
        --x-2: 84%;
        --y-3: 83%;
        --s-start-3: 12;
        --s-end-3: 73;
        --x-3: 17%;
        --c-3: hsla(266.88, 51%, 48%, 1);
        --y-4: 77%;
        --s-start-4: 12;
        --s-end-4: 73;
        --x-4: 10%;
        --c-4: hsla(202.5, 53%, 61%, 1);
    }

    100% {
        --c-0: hsla(143.99999999999997, 52%, 94%, 0);
        --s-start-0: 6.045949214026602%;
        --s-end-0: 55.68602788664554%;
        --y-0: 67%;
        --x-0: 1%;
        --s-start-1: 16%;
        --s-end-1: 58%;
        --x-1: 41%;
        --y-1: 57%;
        --c-1: hsla(201.17647058823525, 45%, 53%, 1);
        --s-start-2: 2%;
        --s-end-2: 60%;
        --c-2: hsla(235, 73%, 43%, 1);
        --y-2: 0%;
        --x-2: 37%;
        --y-3: 49%;
        --s-start-3: 30.76685392532828%;
        --s-end-3: 85%;
        --x-3: 47%;
        --c-3: hsla(266.92913385826773, 51%, 48%, 1);
        --y-4: 60%;
        --s-start-4: 5%;
        --s-end-4: 61%;
        --x-4: 41%;
        --c-4: hsla(202.50000000000003, 54%, 62%, 1);
    }
}

@property --c-0 {
    syntax: '<color>';
    inherits: false;
    initial-value: hsla(143.99999999999997, 52%, 94%, 0)
}

@property --s-start-0 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 6.045949214026602%
}

@property --s-end-0 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 55.68602788664554%
}

@property --y-0 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 67%
}

@property --x-0 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 1%
}

@property --s-start-1 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 16%
}

@property --s-end-1 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 58%
}

@property --x-1 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 41%
}

@property --y-1 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 57%
}

@property --c-1 {
    syntax: '<color>';
    inherits: false;
    initial-value: hsla(201.17647058823525, 45%, 53%, 1)
}

@property --s-start-2 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 2%
}

@property --s-end-2 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 60%
}

@property --c-2 {
    syntax: '<color>';
    inherits: false;
    initial-value: hsla(235, 73%, 43%, 1)
}

@property --y-2 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 0%
}

@property --x-2 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 37%
}

@property --y-3 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 49%
}

@property --s-start-3 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 30.76685392532828%
}

@property --s-end-3 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 85%
}

@property --x-3 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 47%
}

@property --c-3 {
    syntax: '<color>';
    inherits: false;
    initial-value: hsla(266.92913385826773, 51%, 48%, 1)
}

@property --y-4 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 60%
}

@property --s-start-4 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 5%
}

@property --s-end-4 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 61%
}

@property --x-4 {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 41%
}

@property --c-4 {
    syntax: '<color>';
    inherits: false;
    initial-value: hsla(202.50000000000003, 54%, 62%, 1)
}




/* header
============================================ */

.header {
    position: fixed;
    top: 0;
    z-index: 10;
    width: 100%;
    height: 72px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header__inner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.header_title {
    padding-left: 0.5em;
    font-size: clamp(1.25rem, 1.193rem + 0.24vw, 1.375rem);
    font-weight: 300;
    letter-spacing: 0.5em;

}

/* navigation-btn */
.navbtn {
    padding: 0;
    outline: none;
    border: none;
    background: transparent;
    cursor: pointer;
    color: #aaaaaa;
    font-size: 30px;
}

.open .navbtn {
    z-index: 110;
    color: #ffffff;
}

.navbtn .fa-bars {
    display: revert;
}

.open .navbtn .fa-bars {
    display: none;
}

.navbtn .fa-times {
    display: none;
}

.open .navbtn .fa-times {
    display: revert;
}

@media (min-width: 768px) {
    .navbtn {
        display: none;
    }
}



/* SP navigation-menu */
@media (max-width: 767px) {
    .nav {
        position: fixed;
        inset: 0 -100% 0 100%;
        /* top, right, bottom, left の各値を0に指定する */
        z-index: 100;
        background-color: #4e483ae6;
        transition: transform 0.3s;
    }

    .open .nav {
        transform: translate(-100%, 0);
    }

    .open body {
        position: fixed;
        overflow: hidden;
    }

    .nav ul {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 100%;
        gap: 40px;
        color: #ffffff;
    }
}

/* PC navigation-menu */

@media (min-width: 768px) {
    .nav ul {
        display: flex;
        gap: 40px;
        color: #707070;
    }
}

/* ナビゲーションメニュー：Hamburgers */
/* 作成したページで指定した色（モバイルはグレー、PCでは白色）で表示するための設定 */
.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after,
.hamburger.is-active .hamburger-inner,
.hamburger.is-active .hamburger-inner::before,
.hamburger.is-active .hamburger-inner::after {
    background-color: currentColor;
}




/* hero
============================================ */

.hero {
    width: 100%;
    height: 100vh;
    position: relative;
    background-color: #221B41;
    background-image: url("https://rokkou-sho.com/img/bg.jpg");
    background-size: cover
}

.hero__inner {
    display: grid;
    justify-items: center;
    align-content: center;
    height: 100%;
    padding: 0 var(--space-xs);
}

.bg {
    --c-0: hsla(143.99999999999997, 52%, 94%, 0);
    --y-0: 67%;
    --x-0: 1%;
    --x-1: 41%;
    --y-1: 57%;
    --c-1: hsla(201.17647058823525, 45%, 53%, 1);
    --c-2: hsla(235, 73%, 43%, 1);
    --y-2: 0%;
    --x-2: 37%;
    --y-3: 49%;
    --x-3: 47%;
    --c-3: hsla(266.92913385826773, 51%, 48%, 1);
    --y-4: 60%;
    --x-4: 41%;
    --c-4: hsla(202.50000000000003, 54%, 62%, 1);
    /* background-color: #221B41; */
    background-image: radial-gradient(circle at var(--x-0) var(--y-0), var(--c-0) var(--s-start-0), transparent var(--s-end-0)), radial-gradient(circle at var(--x-1) var(--y-1), var(--c-1) var(--s-start-1), transparent var(--s-end-1)), radial-gradient(circle at var(--x-2) var(--y-2), var(--c-2) var(--s-start-2), transparent var(--s-end-2)), radial-gradient(circle at var(--x-3) var(--y-3), var(--c-3) var(--s-start-3), transparent var(--s-end-3)), radial-gradient(circle at var(--x-4) var(--y-4), var(--c-4) var(--s-start-4), transparent var(--s-end-4));
    animation: hero-gradient-animation 10s linear infinite alternate-reverse;
    background-blend-mode: normal, normal, normal, normal, normal;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.front-fade-in {
    animation-name: fadeIn;
    animation-duration: 2s;
}

.hero__heading {
    text-align: center;
    font-size: clamp(3.5rem, 2.818rem + 2.91vw, 5rem);
    font-weight: 300;
    line-height: 1.5;
}

.hero__heading span {
    letter-spacing: -0.1em;
}

.hero__detail {
    padding: 24px 0;
    text-align: center;
    font-size: var(--font-sm);
}

/* scroll-down */
.scroll-down {
    position: absolute;
    bottom: 0;
}

.scroll-down__inner {
    position: relative;
    width: 100%;
    height: 100vh;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;
}

.scroll-down__inner:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80%;
    background: linear-gradient(180deg, rgba(#3F3277, 0) 0, rgba(#3F3277, .8) 80%, rgba(#3F3277, .8) 100%);
}

.scroll-down__inner a {
    display: inline-block;
    position: absolute;
    right: 0;
    bottom: 0;
    left: -1em;
    z-index: 2;
    width: 13px;
    padding: 10px 10px 90px;
    color: var(--white);
    font-size: 12px;
    font-family: 'Josefin Sans', sans-serif;
    line-height: 0;
    letter-spacing: .2em;
    text-transform: uppercase;
    text-decoration: none;
    writing-mode: vertical-lr;
    transition: .2s;
    overflow: hidden;
    margin: auto;
}

.scroll-down__inner a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 1px;
    height: 80px;
    background: var(--white);
}

.scroll-down__inner a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 1px;
    height: 80px;
    background: var(--primary);
}

.scroll-down__inner a:hover {
    opacity: .5;
}

#scrollDown a:after {
    animation: sdl01 1.5s cubic-bezier(1, 0, 0, 1) infinite;
}

@keyframes sdl01 {
    0% {
        transform: scale(1, 0);
        transform-origin: 0 0;
    }

    50% {
        transform: scale(1, 1);
        transform-origin: 0 0;
    }

    50.1% {
        transform: scale(1, 1);
        transform-origin: 0 100%;
    }

    100% {
        transform: scale(1, 0);
        transform-origin: 0 100%;
    }
}




/* front-content
============================================ */

.front-content {
    color: var(--white);
    background-color: var(--bg);
}

.front-content__inner {
    text-align: center;
    padding: var(--v-space) 0 calc(var(--v-space) /2);
}

.front-content__inner.space {
    text-align: center;
    padding: var(--v-space) 0;
}

.front-content__heading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.front-content__heading h2 {
    font-size: var(--font-xl);
    font-family: "EB Garamond", serif;
    font-weight: 300;
    letter-spacing: 0.25em;
}

.front-content__heading h3 {
    color: var(--secondary);
    font-size: clamp(0.875rem, 0.818rem + 0.24vw, 1rem);
    font-weight: 300;
    letter-spacing: 0.25em;
}

.front-content__desc {
    max-width: 640px;
    margin: auto;
    padding-bottom: var(--space-sm);
    text-align: left;
}

.front-content__desc p {
    font-size: var(--body);
    font-weight: 200;
    padding-bottom: var(--space-xs);
}

.front-content__desc p:last-of-type {
    padding-bottom: 0;
}

.front-content__sub-text {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: var(--font-xs);
}

.front-content__btn {
    display: flex;
    justify-content: center;
}

.front-content__btn.space {
    margin: var(--space-lg) 0;
}

.front-content__btn a {
    align-items: center;
    background-image: linear-gradient(144deg, #9544cf, #4b36d1 50%, #00bceb);
    border: 0;
    border-radius: 8px;
    box-shadow: rgba(120, 0, 255, 0.35) 0 15px 30px -5px;
    box-sizing: border-box;
    color: #ffffff;
    display: flex;
    font-size: 18px;
    justify-content: center;
    line-height: 1em;
    max-width: 100%;
    min-width: 140px;
    padding: 2px;
    text-decoration: none;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s;
}

.front-content__btn a:active,
.front-content__btn a:hover {
    outline: 0;
}

.front-content__btn a span {
    padding: 16px 56px;
    border-radius: 6px;
    width: 100%;
    height: 100%;
    transition: 300ms;
}

@media (hover: hover) {
    .front-content__btn a span {
        background-color: var(--bg);
    }

    .front-content__btn a:hover span {
        background: none;
    }
}

.front-content__btn a:active {
    transform: scale(0.9);
}

.front-content__card-list {
    max-width: 1200px;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

@media (min-width: 768px) {
    .front-content__card-list {
        flex-direction: row;
        align-items: stretch;
        gap: 48px;
    }
    .front-content__card-list.feng-shui {
        flex-direction: column;
        align-items: stretch;
        gap: 48px;
    }
}

.front-content__card {
    width: 100%;
    height: auto;
    padding: clamp(2rem, 1.545rem + 1.94vw, 3rem);
    color: white;
    background: linear-gradient(var(--bg), var(--bg)) padding-box,
        linear-gradient(145deg, transparent 35%, #ac1cff, #40c9ff) border-box;
    border: 2px solid transparent;
    border-radius: 16px;
    box-shadow: rgba(120, 0, 255, 0.2) 0 24px 40px 5px;
    display: flex;
    flex-direction: column;
    /* cursor: pointer; */
    transform-origin: right bottom;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

@media (min-width: 768px) {
    .front-content__card {
        width: calc(100% / 2);
        justify-content: space-between;
    }

    .front-content__card.profile {
        width: 100%;
        padding: var(--space-md);
        flex-direction: row;
        gap: var(--space-md);
    }
}

.front-content__card .heading {
    margin-bottom: var(--space-xs);
    font-size: clamp(1.5rem, 1.386rem + 0.48vw, 1.75rem);
    /* 24-28px */
    font-weight: 300;
    line-height: 1.5;
}

.front-content__card .footer {
    font-weight: 600;
    color: #717171;
    margin-right: 4px;
}

@media (hover: hover) {
    a.front-content__card:hover {
        rotate: 4deg;
    }
}

.front-content__card .desc {
    flex: 1;
    text-align: center;
    font-size: var(--font-xs);
    /* 14-16px */
}

.front-content__card .price {
    margin: 1em 0 1.5em;
    text-align: center;
    font-size: var(--font-md);
    line-height: 1.5;
}

.front-content__card .sub-text {
    margin-top: 0.5em;
    font-size: var(--font-xs);
}

.front-content__card .image {
    width: 100%;
    height: auto;
}

.front-content__card .profile-image {
    flex: 1;
    width: 100%;
    height: auto;
    margin-bottom: var(--space-sm);
}

.front-content__card .reserve {
    font-size: var(--font-md);
    line-height: 1.25;
    letter-spacing: 0.05em;
    overflow-wrap: break-word;
}

.front-content__card.profile p {
    padding-bottom: 1em;
}


/* MailtoUI */

.mailtoui-modal-body {
    padding: 0 32px 16px;
}

.mailtoui-modal-head {
    background-color: var(--white);
}

.mailtoui-modal-content {
    background-color: var(--white);
}

.mailtoui-modal-title {
    font-family: "Shippori Mincho B1", serif;
    color: var(--bg);
    font-size: var(--body);
    font-weight: 500;
}

.mailtoui-button-text {
    font-family: "Shippori Mincho B1", serif;
    top: 0;
}

.mailtoui-button {
    color: var(--bg);
}

.mailtoui-button-icon {
    top: -6px;
}

.mailtoui-button-copy {
    width: 130px;
}

.mailtoui-email-address {
    background-color: #efefef;
    padding: 15px 20px 20px 150px;
}

.mailtoui-button:focus .mailtoui-button-content,
.mailtoui-button-content:hover,
.mailtoui-button-copy:focus,
.mailtoui-button-copy:hover {
    background-color: var(--primary);
}


/* blog rss */
#rss {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: calc(var(--font-md) * 1.25);
    padding-bottom: var(--space-sm);
}

@media (min-width: 768px) {
    #rss {
        gap: 8px;
    }
}

#rss a {
    display: block;
    border-radius: 16px;
    transition: .2s;
}

@media (hover: hover) {
    #rss a:hover {
        box-shadow: rgba(120, 0, 255, 0.2) 0 8px 56px 5px;
    }
}

#rss .rss-list {
    display: flex;
    flex-direction: column;
    text-align: left;
}

@media (min-width: 768px) {
    #rss .rss-list {
        padding: 24px;
    }
}

#rss .rss-list h3 {
    font-size: var(--font-md);
    line-height: 1.5;
    font-weight: 300;
    border-bottom: 1px solid var(--primary);
    padding-bottom: 1.25em;
}

@media (min-width: 768px) {
    #rss .rss-list h3 {
        border-bottom: none;
        padding-bottom: 0;
    }
}

#rss .rss-list p {
    margin-bottom: 0.25em;
    font-size: var(--font-xs);
    line-height: 1.5;
    font-weight: 300;
}




/* page-content
============================================ */

.page-content {
    color: var(--white);
    background-color: var(--bg);
}

.page-content__inner {
    text-align: center;
    padding: var(--v-space) 0 calc(var(--v-space) /2);
}

.page-content__section {
    padding-bottom: var(--space-sm);
}

.page-content__heading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.page-content__heading h1 {
    font-size: var(--font-xl);
    font-family: "EB Garamond", serif;
    font-weight: 300;
    letter-spacing: 0.25em;
}

.page-content__heading h2 {
    color: var(--secondary);
    font-size: clamp(0.875rem, 0.818rem + 0.24vw, 1rem);
    font-weight: 300;
    letter-spacing: 0.25em;
}

.page-content__desc {
    max-width: 640px;
    margin: auto;
    padding-bottom: var(--space-sm);
    text-align: left;
}

.page-content__desc h3 {
    font-size: var(--font-sm);
}

.page-content__desc p {
    font-size: var(--font-xs);
    font-weight: 200;
    padding-bottom: var(--space-xs);
}

.page-content__desc p:last-of-type {
    padding-bottom: 0;
}

.page-content__desc ul {
    margin-left: 1.5em;
    list-style: circle;
    font-size: var(--font-xs);
}

.page-content__desc ol {
    margin-left: 1.25em;
    list-style: decimal;
    font-size: var(--font-xs);
}

.page-content__table tr {
    border-bottom: 1px solid var(--primary);
}

.page-content__table th,
.page-content__table td {
    padding: 24px 0;
    border: none;
    font-size: var(--font-xs);
    font-weight: 300;
}

.page-content__table th {
    width: 30%;
}

@media only screen and (max-width: 480px) {

    .page-content__table th,
    .page-content__table td {
        width: 100%;
        display: block;
    }

    .page-content__table th {
        width: 100%;
    }

    .page-content__table td {
        padding-top: 0;
    }
}

/* YouTube */
.youtube__card {
    width: 100%;
    height: auto;
    padding: 0;
    color: white;
    background: linear-gradient(var(--bg), var(--bg)) padding-box,
        linear-gradient(145deg, transparent 35%, #ac1cff, #40c9ff) border-box;
    border: 2px solid transparent;
    border-radius: 16px;
    box-shadow: rgba(120, 0, 255, 0.2) 0 24px 40px 5px;
    display: flex;
    flex-direction: column;
    /* cursor: pointer; */
    transform-origin: right bottom;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

@media (min-width: 768px) {
    .youtube__card {
        width: 100%;
        flex-direction: row;
        gap: var(--space-md);
    }
}

.youtube__card img {
    border-radius: 16px;
}


/* footer
============================================ */

.footer {
    position: relative;
    z-index: 0;
    background-color: #221B41;
}

.footer:before {
    content: '';
    position: absolute;
    z-index: -1;
    background-image: url("https://rokkou-sho.com/img/footer.jpg");
    background-size: cover;
    background-position: center;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: brightness(0.3);
    animation: fadeIn 1s forwards;
}

.footer__inner {
    max-width: 800px;
    margin: auto;
    padding: var(--v-space) 0;
}

.footer__menu a,
.footer__sub-menu a {
    display: inline-block;
    position: relative;
    text-decoration: none;
}

.footer__menu a::after,
.footer__sub-menu a::after {
    background-color: #fff;
    bottom: 0px;
    content: "";
    height: 1px;
    left: 0;
    position: absolute;
    transform: scale(0, 1);
    transform-origin: left top;
    transition: transform .3s;
    width: 100%;
}

.footer__menu a:hover::after,
.footer__sub-menu a:hover::after {
    transform: scale(1, 1);
}

/* .footer a[target="_blank"]::after {
    content: "";
    background-color: #fff;
    display: inline-block;
    height: 1em;
    width: 1em;
    -webkit-mask: url("https://rokkou-sho.com/img/openInNew.svg");
    mask: url("https://rokkou-sho.com/img/openInNew.svg");
    -webkit-mask-size: cover;
    mask-size: cover;
    vertical-align: baseline;
    margin-left: 0.25em;
} */

.footer__title {
    margin-bottom: 0.5em;
    font-size: var(--font-xl);
    letter-spacing: 0.25em;
}

.footer__menu {
    margin-bottom: var(--space-xs);
    font-size: var(--font-md);
}

.footer__menu li {
    margin-bottom: 0.5em;
}

.footer__sub-menu {
    font-size: var(--font-xs);
}

.footer__sub-menu li {
    margin-bottom: 0.5em;
}