/* クラブ小川 リニューアル版トップ（/renewal）
   墨色の地に、店内の灯りの色（琥珀）だけを差し色にする。
   見せ場は最初の画面ひとつ：幕が上がり、店内の写真の上に縦書きの一文と筆文字のロゴ。 */

:root {
    --rn-ink: #0b0907;
    --rn-ink-soft: #14100c;
    --rn-line: rgba(233, 220, 196, 0.18);
    --rn-paper: #f3ebdc;
    --rn-paper-dim: #c9bda8;
    --rn-amber: #d6a85f;
    --rn-mincho: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
    --rn-latin: "Cormorant Garamond", "Shippori Mincho", serif;
    --rn-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --rn-ease-inout: cubic-bezier(0.76, 0, 0.24, 1);
    --rn-gutter: 1.5rem;
    --rn-section: 6rem;
    /* 幕が上がるまで、最初の画面の文字を待たせる時間 */
    --rn-wait: 2.1s;
}

.rn-seen {
    --rn-wait: 0.2s;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    overflow-x: clip;
    background: var(--rn-ink);
    color: var(--rn-paper);
    font-family: var(--rn-mincho);
    font-size: 1rem;
    line-height: 2.1;
    letter-spacing: 0.06em;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

a:focus-visible {
    outline: 2px solid var(--rn-amber);
    outline-offset: 4px;
}

.rn-skip {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 200;
    padding: 0.5rem 1rem;
    background: var(--rn-paper);
    color: var(--rn-ink);
}

.rn-skip:focus {
    left: 0;
}

/* 黒い筆文字のロゴを、暗い地の上で白く見せる */
.rn-intro img,
.rn-header__logo img,
.rn-hero__sign img,
.rn-footer__logo {
    filter: invert(1) brightness(1.7);
}

/* ---------- 幕 ---------- */

.rn-intro {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 1.5rem;
    background: var(--rn-ink);
    pointer-events: none;
    animation: rn-curtain 1s var(--rn-ease-inout) 1.5s both;
}

.rn-intro img {
    width: 8.5rem;
    animation: rn-ink 1.1s var(--rn-ease) 0.1s both;
}

.rn-intro__line {
    width: 8.5rem;
    height: 1px;
    background: var(--rn-amber);
    transform-origin: left;
    animation: rn-draw 1s var(--rn-ease-inout) 0.35s both;
}

.rn-seen .rn-intro {
    display: none;
}

/* ---------- ヘッダー ---------- */

.rn-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem var(--rn-gutter);
    border-bottom: 1px solid transparent;
    transition: background-color 0.5s var(--rn-ease), border-color 0.5s var(--rn-ease);
}

.rn-header.is-solid {
    background: rgba(11, 9, 7, 0.9);
    border-bottom-color: var(--rn-line);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

/* 最初の画面では大きなロゴが主役なので、上のロゴは進んでから出す */
.rn-header__logo {
    opacity: 0;
    transform: translateY(-0.5rem);
    transition: opacity 0.5s var(--rn-ease), transform 0.5s var(--rn-ease);
}

.rn-header.is-solid .rn-header__logo {
    opacity: 1;
    transform: none;
}

.rn-header__logo img {
    width: 3rem;
}

.rn-nav {
    display: none;
}

.rn-header__tel {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    min-height: 2.75rem;
    padding: 0.5rem 0;
    font-family: var(--rn-latin);
    font-size: 1.125rem;
    letter-spacing: 0.12em;
    line-height: 1.6;
    text-decoration: none;
}

.rn-header__tel-label {
    font-size: 0.75rem;
    letter-spacing: 0.24em;
    color: var(--rn-amber);
}

/* ---------- 最初の画面 ---------- */

.rn-hero {
    position: relative;
    height: 100svh;
    min-height: 36rem;
    overflow: hidden;
    isolation: isolate;
}

.rn-hero__slides {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.rn-hero__slides img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: rn-slide 24s linear infinite;
}

.rn-hero__slides img:nth-child(2) {
    animation-delay: 8s;
}

.rn-hero__slides img:nth-child(3) {
    animation-delay: 16s;
}

/* 写真の上に墨をかぶせ、文字のあたる四隅を沈める */
.rn-hero__slides::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(120% 80% at 50% 45%, rgba(11, 9, 7, 0.05) 0%, rgba(11, 9, 7, 0.6) 100%),
        linear-gradient(to top, rgba(11, 9, 7, 1) 0%, rgba(11, 9, 7, 0.42) 30%, rgba(11, 9, 7, 0.22) 70%, rgba(11, 9, 7, 0.7) 100%);
}

.rn-hero__place {
    position: absolute;
    left: var(--rn-gutter);
    top: 6rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--rn-latin);
    font-style: italic;
    font-size: 0.9375rem;
    letter-spacing: 0.34em;
    line-height: 1;
    color: var(--rn-amber);
    animation: rn-fade 1.4s var(--rn-ease) calc(var(--rn-wait) + 0.5s) both;
}

.rn-hero__place::after {
    content: "";
    flex: none;
    width: 1px;
    height: 3.5rem;
    background: var(--rn-amber);
    opacity: 0.6;
}

.rn-hero__title {
    position: absolute;
    right: var(--rn-gutter);
    top: 5.75rem;
    margin: 0;
    writing-mode: vertical-rl;
    font-size: clamp(1.625rem, 7.2vw, 3.5rem);
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.3em;
    text-shadow: 0 0 2rem rgba(11, 9, 7, 0.8);
}

.rn-hero__title span {
    display: block;
    white-space: nowrap;
    animation: rn-descend 1.5s var(--rn-ease) both;
}

.rn-hero__title span:nth-child(1) {
    animation-delay: var(--rn-wait);
}

.rn-hero__title span:nth-child(2) {
    padding-top: 2.4em;
    animation-delay: calc(var(--rn-wait) + 0.22s);
}

.rn-hero__sign {
    position: absolute;
    left: var(--rn-gutter);
    bottom: 3.25rem;
    animation: rn-rise 1.4s var(--rn-ease) calc(var(--rn-wait) + 0.55s) both;
}

.rn-hero__sign img {
    width: clamp(7.5rem, 30vw, 13rem);
}

.rn-hero__sign p {
    margin: 0.75rem 0 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--rn-line);
    font-family: var(--rn-latin);
    font-size: 0.8125rem;
    letter-spacing: 0.5em;
    line-height: 1.6;
    color: var(--rn-paper-dim);
}

.rn-hero__scroll {
    position: absolute;
    right: var(--rn-gutter);
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    min-width: 2.75rem;
    font-family: var(--rn-latin);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-decoration: none;
    color: var(--rn-paper-dim);
    animation: rn-fade 1.4s var(--rn-ease) calc(var(--rn-wait) + 0.9s) both;
}

.rn-hero__scroll span {
    writing-mode: vertical-rl;
}

.rn-hero__scroll::after {
    content: "";
    width: 1px;
    height: 4rem;
    background: linear-gradient(to bottom, var(--rn-amber) 50%, var(--rn-line) 50%);
    background-size: 100% 200%;
    animation: rn-thread 2.4s var(--rn-ease-inout) infinite;
}

/* ---------- 共通 ---------- */

.rn-section {
    position: relative;
    padding: var(--rn-section) var(--rn-gutter);
    overflow: hidden;
}

/* 節の番号を、大きな漢数字でうっすら敷く */
.rn-num {
    position: absolute;
    top: 1.5rem;
    right: -0.08em;
    font-size: clamp(9rem, 38vw, 22rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0;
    color: rgba(214, 168, 95, 0.07);
    pointer-events: none;
    user-select: none;
}

.rn-label {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0 0 1rem;
    font-family: var(--rn-latin);
    font-style: italic;
    font-size: 1.125rem;
    letter-spacing: 0.16em;
    line-height: 1.4;
    color: var(--rn-amber);
}

.rn-label::before {
    content: "";
    width: 2.5rem;
    height: 1px;
    background: var(--rn-amber);
}

.rn-heading {
    position: relative;
    margin: 0 0 2.25rem;
    font-size: clamp(1.625rem, 6vw, 2.75rem);
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.14em;
}

/* 写真は幕が引くように現れ、同時にわずかに引いていく */
.rn-frame {
    overflow: hidden;
}

.rn-frame img {
    width: 100%;
    transition: transform 1.6s var(--rn-ease);
}

.rn-js [data-wipe] {
    clip-path: inset(0 100% 0 0);
    transition: clip-path 1.4s var(--rn-ease-inout);
}

.rn-js [data-wipe] img {
    transform: scale(1.18);
}

.rn-js [data-wipe].is-shown {
    clip-path: inset(0 0 0 0);
}

.rn-js [data-wipe].is-shown img {
    transform: scale(1);
}

.rn-js [data-reveal] {
    opacity: 0;
    transform: translateY(1.75rem);
    transition: opacity 1.1s var(--rn-ease), transform 1.1s var(--rn-ease);
}

.rn-js [data-reveal].is-shown {
    opacity: 1;
    transform: none;
}

/* ---------- 紹介文 ---------- */

.rn-concept {
    display: grid;
    gap: 3.5rem;
}

.rn-concept__text {
    position: relative;
}

.rn-concept__text p:not(.rn-label) {
    margin: 0 0 1.25rem;
    color: var(--rn-paper-dim);
}

.rn-concept__photo {
    position: relative;
    margin: 0 calc(var(--rn-gutter) * -1) 0 0;
}

.rn-concept__photo img {
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: 30% 50%;
}

/* ---------- 流れる文字 ---------- */

.rn-marquee {
    padding: 1rem 0;
    overflow: hidden;
    border-block: 1px solid var(--rn-line);
}

.rn-marquee__track {
    display: flex;
    width: max-content;
    animation: rn-marquee 46s linear infinite;
}

.rn-marquee__track span {
    padding-right: 0.4em;
    font-family: var(--rn-latin);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(3rem, 13vw, 8.5rem);
    line-height: 1.2;
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: transparent;
    -webkit-text-stroke: 1px rgba(214, 168, 95, 0.5);
}

/* ---------- 店内 ---------- */

.rn-interior {
    background: var(--rn-ink-soft);
}

.rn-interior__head {
    position: relative;
}

.rn-interior__grid {
    position: relative;
    display: grid;
    gap: 2.5rem;
}

.rn-interior__item {
    margin: 0;
}

.rn-interior__item img {
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.rn-interior__item figcaption {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-top: 0.9rem;
    font-size: 0.9375rem;
    letter-spacing: 0.2em;
    line-height: 1.6;
}

.rn-interior__item figcaption span {
    font-family: var(--rn-latin);
    font-style: italic;
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    color: var(--rn-amber);
}

/* ---------- ご案内 ---------- */

.rn-access {
    display: grid;
    gap: 3rem;
}

.rn-access__info {
    position: relative;
}

.rn-tel {
    display: block;
    margin-bottom: 2.25rem;
    text-decoration: none;
}

.rn-tel__label {
    display: block;
    font-size: 0.8125rem;
    letter-spacing: 0.24em;
    line-height: 1.6;
    color: var(--rn-paper-dim);
}

.rn-tel__num {
    display: inline-block;
    font-family: var(--rn-latin);
    font-weight: 300;
    font-size: clamp(2.5rem, 12vw, 4.25rem);
    letter-spacing: 0.06em;
    line-height: 1.3;
    background: linear-gradient(to right, var(--rn-amber), var(--rn-amber)) left bottom / 0 1px no-repeat;
    transition: background-size 0.6s var(--rn-ease), color 0.4s var(--rn-ease);
}

.rn-tel:hover .rn-tel__num,
.rn-tel:focus-visible .rn-tel__num {
    background-size: 100% 1px;
    color: var(--rn-amber);
}

.rn-info {
    margin: 0;
    border-top: 1px solid var(--rn-line);
}

.rn-info > div {
    display: grid;
    grid-template-columns: 6rem 1fr;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--rn-line);
    line-height: 1.9;
}

.rn-info dt {
    font-size: 0.875rem;
    letter-spacing: 0.14em;
    color: var(--rn-amber);
}

.rn-info dd {
    margin: 0;
}

.rn-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3.5rem;
    margin-top: 2rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--rn-paper-dim);
    overflow: hidden;
    isolation: isolate;
    font-size: 0.9375rem;
    letter-spacing: 0.24em;
    line-height: 1.6;
    text-decoration: none;
    transition: color 0.45s var(--rn-ease), border-color 0.45s var(--rn-ease);
}

.rn-button::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--rn-amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.55s var(--rn-ease-inout);
}

.rn-button:hover,
.rn-button:focus-visible {
    border-color: var(--rn-amber);
    color: var(--rn-ink);
}

.rn-button:hover::before,
.rn-button:focus-visible::before {
    transform: scaleX(1);
}

.rn-access__map {
    position: relative;
    margin: 0 calc(var(--rn-gutter) * -1);
}

.rn-access__map iframe {
    display: block;
    width: 100%;
    height: 20rem;
    border: 0;
    filter: grayscale(1) invert(0.92) contrast(0.88) brightness(0.9);
}

/* ---------- フッター ---------- */

.rn-footer {
    padding: 4.5rem var(--rn-gutter) 3rem;
    border-top: 1px solid var(--rn-line);
    text-align: center;
}

.rn-footer__logo {
    width: 6.5rem;
    margin: 0 auto 1.5rem;
}

.rn-footer__addr {
    margin: 0 0 1.5rem;
    font-size: 0.8125rem;
    color: var(--rn-paper-dim);
}

.rn-footer__copy {
    margin: 0;
    font-family: var(--rn-latin);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--rn-paper-dim);
}

/* ---------- 動き ---------- */

@keyframes rn-curtain {
    to {
        transform: translateY(-100%);
    }
}

@keyframes rn-ink {
    from {
        opacity: 0;
        filter: invert(1) brightness(1.7) blur(10px);
        transform: scale(1.06);
    }
    to {
        opacity: 1;
        filter: invert(1) brightness(1.7) blur(0);
        transform: none;
    }
}

@keyframes rn-draw {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* 3枚が8秒ずつ、ゆっくり寄りながら入れ替わる */
@keyframes rn-slide {
    0% {
        opacity: 0;
        transform: scale(1.14);
    }
    6% {
        opacity: 1;
    }
    33.33% {
        opacity: 1;
    }
    41% {
        opacity: 0;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1);
    }
}

@keyframes rn-descend {
    from {
        opacity: 0;
        transform: translateY(-2.5rem);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: none;
        filter: blur(0);
    }
}

@keyframes rn-rise {
    from {
        opacity: 0;
        transform: translateY(1.5rem);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes rn-fade {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes rn-thread {
    from {
        background-position: 0 100%;
    }
    to {
        background-position: 0 -100%;
    }
}

@keyframes rn-marquee {
    to {
        transform: translateX(-50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .rn-intro {
        display: none;
    }

    .rn-hero__slides img {
        animation: none;
    }

    .rn-hero__slides img:first-child {
        opacity: 1;
    }

    .rn-marquee__track {
        animation: none;
    }

    .rn-js [data-reveal],
    .rn-js [data-wipe] {
        opacity: 1;
        transform: none;
        clip-path: none;
    }

    .rn-js [data-wipe] img {
        transform: none;
    }
}

/* ---------- タブレット以上 ---------- */

@media (min-width: 768px) {
    :root {
        --rn-gutter: 3rem;
        --rn-section: 8rem;
    }

    .rn-header {
        padding-block: 1rem;
    }

    .rn-header__logo img {
        width: 3.75rem;
    }

    .rn-nav {
        display: flex;
        gap: 2.5rem;
        margin-left: auto;
        font-size: 0.875rem;
        letter-spacing: 0.24em;
    }

    .rn-nav a {
        position: relative;
        padding: 0.75rem 0;
        text-decoration: none;
    }

    .rn-nav a::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0.4rem;
        height: 1px;
        background: var(--rn-amber);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s var(--rn-ease);
    }

    .rn-nav a:hover::after,
    .rn-nav a:focus-visible::after {
        transform: scaleX(1);
    }

    .rn-header__tel {
        margin-left: 2.5rem;
    }

    .rn-hero__place {
        top: 8rem;
    }

    .rn-hero__title {
        top: 8rem;
        right: 12%;
    }

    .rn-hero__sign {
        bottom: 4.5rem;
    }

    .rn-interior__grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .rn-interior__item--wide {
        grid-column: 1 / -1;
    }

    .rn-interior__item--wide img {
        aspect-ratio: 16 / 9;
    }

    .rn-access__map {
        margin: 0;
    }

    .rn-access__map iframe {
        height: 26rem;
    }
}

/* ---------- パソコン ---------- */

@media (min-width: 1024px) {
    :root {
        --rn-gutter: 5.5rem;
        --rn-section: 10rem;
    }

    /* 画面の内側に細い枠を一本。額装のように全体を締める */
    body::before {
        content: "";
        position: fixed;
        inset: 1.25rem;
        z-index: 40;
        border: 1px solid var(--rn-line);
        pointer-events: none;
    }

    .rn-header {
        padding-top: 2rem;
    }

    .rn-header.is-solid {
        padding-top: 1rem;
    }

    /* 上のメニューに重ならないよう、高さに合わせて文字を抑える */
    .rn-hero__title {
        right: 16%;
        top: 8.5rem;
        font-size: clamp(1.875rem, min(2.9vw, 5vh), 3.25rem);
    }

    .rn-hero__place {
        top: 50%;
        translate: 0 -50%;
    }

    .rn-hero__sign {
        left: 14%;
        bottom: 6rem;
    }

    .rn-hero__sign img {
        width: clamp(11rem, 15vw, 16rem);
    }

    .rn-hero__scroll {
        right: 3.5rem;
    }

    .rn-num {
        top: 4rem;
        right: 3rem;
    }

    .rn-concept {
        grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
        align-items: center;
        gap: 7rem;
        padding-inline: max(var(--rn-gutter), calc((100vw - 76rem) / 2));
    }

    .rn-concept__photo {
        margin-right: 0;
    }

    /* 写真の後ろに、ずらした細い枠を一本 */
    .rn-concept__photo::before {
        content: "";
        position: absolute;
        inset: 2rem -2rem -2rem 2rem;
        border: 1px solid rgba(214, 168, 95, 0.45);
    }

    .rn-interior {
        padding-inline: max(var(--rn-gutter), calc((100vw - 76rem) / 2));
    }

    .rn-interior__grid {
        grid-template-columns: 7fr 5fr;
        grid-template-rows: auto auto;
        gap: 3.5rem;
    }

    /* 大きい1枚を左に、右の2枚と上下をそろえる */
    .rn-interior__item--wide {
        grid-column: 1;
        grid-row: 1 / 3;
        display: grid;
        grid-template-rows: minmax(0, 1fr) auto;
    }

    .rn-interior__item--wide .rn-frame,
    .rn-interior__item--wide img {
        height: 100%;
    }

    .rn-interior__item--wide img {
        aspect-ratio: auto;
    }

    .rn-interior__item:hover .rn-frame.is-shown img,
    .rn-concept__photo:hover .rn-frame.is-shown img {
        transform: scale(1.05);
    }

    .rn-access {
        grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
        gap: 6rem;
        align-items: center;
        padding-inline: max(var(--rn-gutter), calc((100vw - 76rem) / 2));
    }

    .rn-access__map iframe {
        height: 34rem;
    }

    .rn-footer {
        padding-bottom: 4.5rem;
    }
}