/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */
:root {
    /* === Color tokens === */
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #FAFAFA;
    --accent-color: #5b7d7c;
    --accent-light: #739695;
    --accent-dark: #426B6E;
    --white: #ffffff;
    --gray-light: #F5F5F5;
    --gray-border: #E0E0E0;
    --ruletitle-color: #426B6E;
    --rates-bg: #E8F0F0;
    --dark-overlay: rgba(0, 0, 0, 0.85);
    --header-bg: rgba(0, 0, 0, 0.6);

    /* === Typography tokens === */
    --font-serif: 'Zen Old Mincho', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    --letter-wide: 0.08em;
    --letter-extra-wide: 0.2em;

    /* === Spacing tokens === */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --space-2xl: 64px;
    --space-3xl: 100px;

    /* === Layout tokens === */
    --container-narrow: 760px;
    --container-default: 960px;
    --container-wide: 1280px;
    --header-h: 70px;
    --radius-sm: 2px;
    --radius-md: 6px;

    /* === Motion tokens === */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.8s ease;

    /* === Shadow tokens === */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

    /* === Z-index scale === */
    --z-base: 1;
    --z-header: 1000;
    --z-floating: 9998;
    --z-overlay: 9999;
}

html {
    font-size: calc(100% + 3px);
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

/* 共通クラス */
.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.section-subtitle-en {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-family: var(--font-serif);
}

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

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background-color 0.3s ease;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo a {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.header__logo-sub {
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
}

.header__logo-en {
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-serif);
}

.header__nav {
    display: none;
}

@media (min-width: 1024px) {
    .header__nav {
        display: block;
    }
}

.header__list {
    display: flex;
    gap: 20px;
    list-style: none;
    align-items: center;
}

.header__item a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.75rem;
    font-family: var(--font-sans);
    transition: color 0.3s;
    text-align: center;
    line-height: 1.4;
}

.header__item a span {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.45);
    display: block;
}

.header__item a:hover {
    color: #fff;
}

/* 言語切替 */
.header__lang {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-left: 12px;
}

.header__lang-btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.6);
    font-size: 0.65rem;
    font-family: var(--font-sans);
    padding: 3px 7px;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 1px;
    letter-spacing: 0.05em;
}

.header__lang-btn:hover,
.header__lang-btn.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

a.header__lang-btn,
a.mobile-nav__lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* モバイル言語切替 */
.mobile-nav__lang {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 32px;
}

.mobile-nav__lang-btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
    padding: 6px 14px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.mobile-nav__lang-btn:hover,
.mobile-nav__lang-btn.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.header__item--sauna a {
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: rgba(255, 255, 255, 0.9);
    padding: 11px 18px;
    border-radius: 2px;
    font-size: 0.8rem;
    transition: background-color 0.2s, color 0.2s;
}

.header__item--sauna a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.header__item--reserve a {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 2px;
    font-size: 0.8rem;
}

.header__item--reserve a:hover {
    background-color: var(--accent-light);
    color: var(--white);
}

/* ハンバーガーメニュー */
.header__menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
}

.header__menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.85);
    transition: all 0.3s;
}

@media (min-width: 1024px) {
    .header__menu-btn {
        display: none;
    }
}

/* モバイルナビ (フルスクリーンオーバーレイ) */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 40px 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

/* 閉じるボタン (×) */
.mobile-nav__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-nav__close span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--white);
    position: absolute;
    left: 50%;
    top: 50%;
}

.mobile-nav__close span:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
}

.mobile-nav__close span:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* ロゴ */
.mobile-nav__logo {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
}

.mobile-nav__logo-sub {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 5px;
}

.mobile-nav__logo-main {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--white);
    font-weight: 700;
    letter-spacing: 0.3em;
}

.mobile-nav__logo-line {
    display: block;
    width: 80px;
    height: 1px;
    background-color: var(--white);
    margin: 10px auto;
}

.mobile-nav__logo-en {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.2em;
}

/* メニューリスト */
.mobile-nav__list {
    list-style: none;
    text-align: center;
    width: 100%;
    max-width: 300px;
}

.mobile-nav__list li {
    padding: 12px 0;
}

.mobile-nav__list a {
    text-decoration: none;
    color: var(--white);
    font-size: 1rem;
    display: block;
    transition: opacity 0.3s ease;
}

.mobile-nav__list a:hover {
    opacity: 0.7;
}

.mobile-nav__list a span {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 3px;
    font-family: var(--font-serif);
}

/* 予約ボタン */
.mobile-nav__reserve {
    margin-top: 30px;
    width: 100%;
    max-width: 280px;
}

.mobile-nav__reserve a {
    display: block;
    background-color: var(--white);
    color: var(--accent-color);
    text-align: center;
    padding: 18px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.mobile-nav__reserve a:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.hero__slideshow {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero__slide--active {
    opacity: 1;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__text {
    position: absolute;
    top: 50%;
    right: 30%;
    transform: translateY(-50%);
    text-align: center;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero__title {
    font-family: var(--font-serif);
    font-size: 4rem;
    margin-bottom: 10px;
    letter-spacing: 0.3em;
    line-height: 1.2;
    writing-mode: vertical-rl;
}

.hero__subtitle {
    font-size: 1rem;
    letter-spacing: 0.5em;
    margin-top: 20px;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.about__header {
    margin-bottom: 60px;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 60px;
    /* Increased gap for better spacing */
    align-items: start;
}

.about__left-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about__figure {
    margin: 0;
}

.about__main-image {
    width: 100%;
    height: auto;
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: block;
}

/* Desktop Staggered Layout */
.about__figure--interior {
    margin-top: 100px;
    /* Stagger effect based on Figma */
}

.about__text-area {
    display: flex;
    justify-content: center;
    padding-top: 20px;
    /* Slight adjustment to align text visually */
}

.about__desc {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 2.2;
    letter-spacing: 0.15em;
    writing-mode: vertical-rl;
    display: inline-block;
    height: auto;
}

/* Mobile Layout */
@media (max-width: 768px) {
    .about {
        padding: 60px 20px;
    }

    .about__content {
        display: flex;
        flex-direction: column;
        gap: 20px;
        align-items: center;
        /* Center children horizontally in column mode */
    }

    /* Order: Ext Img -> Int Img -> Text */
    .about__figure--exterior {
        order: 1;
    }

    .about__figure--interior {
        order: 2;
        margin-top: 0;
        /* Reset stagger */
    }

    .about__text-area {
        order: 3;
        margin-top: 30px;
    }

    .about__desc {
        font-size: 1.1rem;
        height: auto;
        /* Fixed height to ensure vertical text fits nicely */
        margin: 0 auto;
    }
}

/* ==========================================================================
   Surroundings Section
   ========================================================================== */
.surroundings {
    padding: 80px 40px;
    margin: 60px auto;
    max-width: 1280px;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    border-radius: 2px;
}

.surroundings__header {
    margin-bottom: 40px;
}

.surroundings__title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 30px;
    color: #fff;
}

.surroundings__title::after {
    content: '';
    display: inline-block;
    width: 200px;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.5);
    margin-left: 20px;
    vertical-align: middle;
}

.surroundings__lead {
    margin-bottom: 40px;
    font-size: 0.9rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.78);
}

.surroundings__arrow {
    border-color: rgba(255, 255, 255, 0.55) !important;
    color: rgba(255, 255, 255, 0.85) !important;
    background: transparent !important;
}

.surroundings__arrow:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #fff !important;
}

.surroundings__arrow:disabled {
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: rgba(255, 255, 255, 0.3) !important;
}

@media (max-width: 768px) {
    .surroundings {
        padding: 56px 20px;
        margin: 40px 12px;
    }
}

.surroundings__gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.surroundings__viewport {
    overflow: hidden;
    width: 100%;
}

.surroundings__track {
    display: flex;
    gap: 12px;
    transition: transform 0.5s ease;
}

.surroundings__slide {
    min-width: calc(100% / 6 - 10px);
    margin: 0;
    height: 220px;
    overflow: hidden;
    border-radius: 2px;
    flex-shrink: 0;
}

.surroundings__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.surroundings__controls {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.surroundings__arrow {
    width: 44px;
    height: 44px;
    border: 1px solid var(--text-color);
    background: transparent;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.surroundings__arrow:hover {
    background: var(--text-color);
    color: #fff;
}

.surroundings__arrow:disabled {
    opacity: 0.25;
    cursor: default;
    pointer-events: none;
}

@media (max-width: 768px) {
    .surroundings__slide {
        min-width: calc(50% - 6px);
        height: 160px;
    }
}

/* ==========================================================================
   Activities Preview
   ========================================================================== */
.activities-preview {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.activities-preview__grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .activities-preview__grid {
        grid-template-columns: 1fr;
    }
}

.activities-preview__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 2px;
}

/* ==========================================================================
   Rooms Section
   ========================================================================== */
.rooms {
    padding: 100px 0;
    background-color: var(--white);
}

.rooms__header {
    margin-bottom: 60px;
}

.rooms__inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.rooms__gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .rooms__gallery {
        grid-template-columns: 1fr;
    }
}

.rooms__gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 2px;
}

.rooms__gallery img:nth-child(1) { transition-delay: 0s; }
.rooms__gallery img:nth-child(2) { transition-delay: 0.1s; }
.rooms__gallery img:nth-child(3) { transition-delay: 0.2s; }
.rooms__gallery img:nth-child(4) { transition-delay: 0.3s; }
.rooms__gallery img:nth-child(5) { transition-delay: 0.4s; }
.rooms__gallery img:nth-child(6) { transition-delay: 0.5s; }

/* ==========================================================================
   Floor Info Section
   ========================================================================== */
.floor-info {
    padding: 80px 20px;
    background-color: var(--white);
}

.floor-info__inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.floor-info__layout {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-bottom: 60px;
}

.floor-info__item {
    position: relative;
    width: 100%;
}

.floor-info__item--1f {
    z-index: 2;
    width: 400px;
    /* 画像幅に合わせる */
    max-width: 100%;
}

.floor-info__item--2f {
    margin-top: -40px;
    margin-left: 80px;
    width: 400px;
    /* 画像幅に合わせる */
    max-width: 100%;
}

.floor-info__label-group {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    z-index: 3;
}

.floor-info__item--1f .floor-info__label-group {
    top: 50%;
    right: auto;
    left: 100%;
    margin-left: 20px;
    transform: translateY(-50%);
    align-items: flex-start;
}

.floor-info__item--2f .floor-info__label-group {
    top: 50%;
    left: auto;
    right: 100%;
    margin-right: 20px;
    transform: translateY(-50%);
    align-items: flex-end;
}

.floor-info__label-text {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
    text-shadow: 2px 2px 0 var(--white);
}

.floor-info__label-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
}

.floor-info__floor {
    position: relative;
}

.floor-info__image {
    width: 100%;
    max-width: 400px;
    border-radius: 2px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    background-color: var(--white);
}

.floor-info__label {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--text-light);
}

.floor-info__details {
    flex: 1;
}

.floor-info__desc {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.floor-info__title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-border);
}

.floor-info__list {
    margin-bottom: 30px;
}

.floor-info__row {
    display: flex;
    gap: 20px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.floor-info__row dt {
    color: var(--text-color);
}

.floor-info__row dd {
    color: var(--text-light);
}

@media (max-width: 768px) {
    .floor-info__inner {
        flex-direction: column;
    }

    .floor-info__item--2f {
        margin-top: 40px;
        margin-left: 0;
        width: 100%;
        /* スマホでは幅制限を解除 */
    }

    .floor-info__item--1f {
        width: 100%;
        /* スマホでは幅制限を解除 */
    }

    .floor-info__item--1f .floor-info__label-group,
    .floor-info__item--2f .floor-info__label-group {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        transform: none;
        margin-bottom: 10px;
        justify-content: center;
    }

    .floor-info__label-text {
        font-size: 2rem;
    }

    .floor-info__image {
        max-width: 100%;
    }
}

/* ==========================================================================
   Amenities Section
   ========================================================================== */
.amenities {
    background-color: var(--white);
    padding: 60px 20px;
}

.amenities__inner {
    max-width: 900px;
    margin: 0 auto;
}

.amenities__title {
    font-family: var(--font-serif);
    font-size: 1rem;
    margin-bottom: 20px;
    margin-top: 30px;
}

.amenities__title:first-child {
    margin-top: 0;
}

/* アコーディオン */
.amenities__accordion {
    border-bottom: 1px solid rgba(0,0,0,0.1);
    margin-bottom: 4px;
}

.amenities__accordion:first-child {
    border-top: 1px solid rgba(0,0,0,0.1);
}

.amenities__accordion-title {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    padding: 18px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    user-select: none;
    letter-spacing: 0.06em;
}

.amenities__accordion-title::-webkit-details-marker {
    display: none;
}

.amenities__accordion-title::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    line-height: 1;
    color: var(--text-light);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.amenities__accordion[open] > .amenities__accordion-title::after {
    content: '−';
}

.amenities__accordion .amenities__list {
    padding-bottom: 24px;
}

.amenities__list {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.amenity-box {
    background: #DFEDEE;
    padding: 10px 5px;
    width: 160px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-color);
    border-radius: 2px;
    border: 1px solid #DFEDEE;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 768px) {
    .amenity-box {
        width: calc(50% - 7.5px);
        /* gapが15pxなので、その半分を引く */
    }
}

/* ==========================================================================
   Fireplace Section
   ========================================================================== */
.fireplace {
    padding: 0;
    max-width: 600px;
    margin: 40px auto;
}

.fireplace__image img {
    width: 100%;
    border-radius: 2px;
}

/* ==========================================================================
   Experiences Section
   ========================================================================== */
.experiences {
    padding: 100px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.experiences__header {
    margin-bottom: 60px;
}

.experiences__grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.experience-card {
    display: flex;
    align-items: center;
    gap: 60px;
}

.experience-card--reverse {
    flex-direction: row-reverse;
}

.experience-card__text {
    flex: 1;
}

.experience-card__text h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.experience-card__text p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.experience-card__image {
    flex: 1.2;
    min-height: 250px;
    background-color: var(--gray-light);
    overflow: hidden;
}

.experience-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.experience-card--hero {
    display: block;
}

.experience-card__hero-image {
    position: relative;
    width: 100%;
    height: 560px;
    overflow: hidden;
    border-radius: 2px;
}

.experience-card__hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.experience-card--hero:hover .experience-card__hero-image img {
    transform: scale(1.03);
}

.experience-card__hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.65) 40%, transparent 100%);
    display: flex;
    align-items: center;
}

.experience-card__hero-text {
    padding: 0 60px;
    color: #fff;
    max-width: 500px;
}

.experience-card__hero-text h4 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 24px;
    line-height: 1.5;
    color: #fff;
}

.experience-card__hero-text p {
    font-size: 0.9rem;
    line-height: 2;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.85);
}

.btn-arrow--light {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-arrow--light::after {
    background-color: #fff;
}

.experience-card__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-family: var(--font-sans);
    color: rgba(255,255,255,0.75);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 2px 8px;
    margin-bottom: 14px;
    letter-spacing: 0.08em;
}

.experience-card__coming-soon {
    display: inline-block;
    font-size: 0.8rem;
    font-family: var(--font-sans);
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 4px 16px;
    letter-spacing: 0.12em;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .experience-card,
    .experience-card--reverse {
        flex-direction: column;
    }

    .experience-card__hero-image {
        height: 420px;
    }

    .experience-card__hero-overlay {
        background: linear-gradient(to bottom, transparent 30%, rgba(0, 0, 0, 0.7) 100%);
        align-items: flex-end;
    }

    .experience-card__hero-text {
        padding: 0 24px 40px;
        max-width: 100%;
    }

    .experience-card__hero-text h4 {
        font-size: 1.3rem;
    }
}

/* ==========================================================================
   Rates Section
   ========================================================================== */
.rates {
    padding: 100px 20px;
    background-color: #E8F0F0;
    background-image: linear-gradient(rgba(232, 240, 240, 0.78), rgba(232, 240, 240, 0.78)), url('../img/room_living1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

@media (max-width: 768px) {
    .rates {
        background-attachment: scroll;
        background-image: linear-gradient(rgba(232, 240, 240, 0.82), rgba(232, 240, 240, 0.82)), url('../img/room_living1.jpg');
    }
}

.rates__columns {
    position: relative;
    z-index: 1;
}

.rates__column {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.rates__sauna-notice {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.rates__inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.rates__columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 40px;
    text-align: left;
}

.rates__column {
    background: rgba(255,255,255,0.7);
    padding: 40px 36px;
    border-radius: 2px;
}

.rates__column-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-light);
    border-bottom: 1px solid currentColor;
    padding-bottom: 10px;
    margin-bottom: 24px;
}

.rates__sauna-add {
    padding: 12px 0;
    margin: 16px 0;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.rates__sauna-add-title {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
    color: var(--text-light);
}

.rates__sauna-add-price {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 3px;
    color: var(--text-color);
}

.rates__sauna-add-note {
    font-size: 0.72rem;
    color: var(--text-light);
}

.rates__price-item--dayuse {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.rates__tax {
    font-size: 0.8rem;
    font-weight: 400;
    font-family: var(--font-sans);
}

.rates__detail-list {
    margin: 24px 0;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.rates__detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    font-size: 0.9rem;
}

.rates__detail-row dt {
    color: var(--text-light);
}

.rates__dayuse-note {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-top: 16px;
}

.rates__sauna-notice {
    margin-top: 40px;
    padding: 32px 40px;
    background: rgba(0,0,0,0.04);
    border-radius: 2px;
    text-align: left;
}

.rates__sauna-notice-title {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.rates__sauna-notice-list {
    list-style: none;
    padding: 0;
}

.rates__sauna-notice-list li {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.8;
    padding-left: 1em;
    position: relative;
    margin-bottom: 6px;
}

.rates__sauna-notice-list li::before {
    content: '・';
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .rates__columns {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .rates__column {
        padding: 28px 20px;
    }
    .rates__sauna-notice {
        padding: 24px 20px;
    }
}

.rates__content {
    margin-top: 40px;
}

.rates__note {
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.rates__price-list {
    margin-bottom: 30px;
}

.rates__price-item {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    font-family: var(--font-serif);
}

.rates__guests {
    margin-right: 10px;
}

.rates__additional {
    font-size: 0.85rem;
    margin-bottom: 30px;
}

.rates__notes {
    text-align: left;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.rates__notes p {
    margin-bottom: 5px;
}

/* Reservation button specific style */
.btn-reservation {
    display: inline-block;
    background-color: var(--accent-color);
    padding: 20px 60px;
    text-decoration: none;
    color: var(--white);
    font-size: 1rem;
    letter-spacing: 0.1em;
    transition: background-color 0.3s;
    border-radius: 0;
    border: none;
}

.btn-reservation:hover {
    background-color: var(--accent-light);
}

/* Sauna reservation button */
.btn-sauna-reserve {
    display: inline-block;
    background-color: #94B7BA;
    padding: 20px 60px;
    text-decoration: none;
    color: var(--white);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    border-radius: 0;
    border: none;
    font-weight: 500;
}

.btn-sauna-reserve:hover {
    background-color: #a8c7ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(148, 183, 186, 0.3);
}

.sauna-reserve-section {
    text-align: center;
    margin: 50px 0;
    padding: 40px 20px;
    background-color: #f8f9f5;
    border-radius: 4px;
}

.sauna-reserve-note {
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ==========================================================================
   Access Section
   ========================================================================== */
.access {
    background-color: var(--white);
    padding: 100px 20px;
}

.access__inner {
    max-width: 900px;
    margin: 0 auto;
}

.access__map {
    margin-bottom: 40px;
}

.access__map iframe {
    border-radius: 2px;
}

.access__info {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.access__address {
    flex: 1;
}

.access__location-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.access__address p {
    font-size: 0.9rem;
}

.access__directions {
    flex: 1;
}

.access__directions dl {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 30px;
    font-size: 0.9rem;
}

.access__directions dt {
    color: var(--text-light);
}

.access__directions dd {
    text-align: right;
}

.access__car-note {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .access__info {
        flex-direction: column;
        gap: 30px;
    }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq {
    padding: 100px 20px;
    background-color: var(--bg-color, #f8f9f5);
}

.faq__inner {
    max-width: 840px;
    margin: 0 auto;
    text-align: center;
}

.faq__list {
    text-align: left;
    margin-top: 48px;
}

.faq__item {
    border-bottom: 1px solid rgba(0,0,0,0.1);
    transition: background-color 0.2s;
}

.faq__item:first-child {
    border-top: 1px solid rgba(0,0,0,0.1);
}

.faq__question {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 8px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    font-family: var(--font-serif);
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--text-color);
    position: relative;
    padding-right: 44px;
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
    content: '+';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--text-light);
    transition: transform 0.3s;
}

.faq__item[open] > .faq__question::after {
    content: '−';
}

.faq__q-mark,
.faq__a-mark {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    font-weight: 700;
}

.faq__q-mark {
    background: var(--accent-color);
    color: #fff;
}

.faq__a-mark {
    background: rgba(0,0,0,0.06);
    color: var(--text-color);
}

.faq__answer {
    display: flex;
    gap: 16px;
    padding: 0 8px 22px 8px;
    align-items: flex-start;
}

.faq__answer p {
    font-size: 0.88rem;
    line-height: 2;
    color: var(--text-color);
    margin: 0;
    padding-top: 2px;
}

.faq__answer a {
    color: var(--accent-color);
    text-decoration: underline;
}

@media (max-width: 600px) {
    .faq__question {
        font-size: 0.9rem;
        padding-right: 36px;
        gap: 12px;
    }
    .faq__q-mark, .faq__a-mark {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }
    .faq__answer { gap: 12px; }
    .faq__answer p { font-size: 0.83rem; }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: 100px 20px;
    background-color: #DFEDEE;
    /* Match mockup */
    text-align: center;
}

.btn-line {
    display: inline-block;
    background-color: #9BABAB;
    padding: 20px 40px;
    text-decoration: none;
    color: var(--white);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: background-color 0.3s;
}

.btn-line:hover {
    background-color: #8A9A9A;
}

.contact__inner {
    max-width: 600px;
    margin: 0 auto;
}

.contact__inner--simple {
    text-align: center;
}

.contact__inner--simple .contact__desc {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.contact__desc {
    font-size: 0.9rem;
    margin-bottom: 40px;
}

/* 現在ページ表示 */
.header__item--current a {
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.5);
}

/* デスクトップのみ言語切替を表示 */
@media (max-width: 1023px) {
    .header__lang {
        display: none;
    }
}

.contact__form {
    text-align: left;
}

.contact__form-item {
    margin-bottom: 25px;
}

.contact__form-item label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.contact__form-item label span {
    font-size: 0.7rem;
    color: #e66b6b;
    margin-left: 8px;
    vertical-align: middle;
}

.contact__form-item input,
.contact__form-item textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-border);
    border-radius: 2px;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: var(--white);
    transition: border-color 0.3s;
}

.contact__form-item input:focus,
.contact__form-item textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.contact__form-submit {
    text-align: center;
    margin-top: 40px;
}

.contact__form-submit button {
    cursor: pointer;
    min-width: 200px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary {
    display: inline-block;
    background-color: transparent;
    border: 1px solid var(--text-color);
    padding: 15px 50px;
    text-decoration: none;
    color: var(--text-color);
    font-family: var(--font-serif);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: var(--text-color);
    color: var(--white);
}

.btn-primary--accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
}

.btn-primary--accent:hover {
    background-color: var(--accent-light);
    border-color: var(--accent-light);
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    border: 1px solid var(--text-color);
    padding: 12px 40px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    transition: all 0.3s;
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--white);
}

.btn-arrow {
    display: inline-block;
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.8rem;
    transition: color 0.3s;
}

.btn-arrow:hover {
    color: var(--text-color);
}

.btn-arrow--large {
    font-size: 0.95rem;
    color: var(--text-color);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: 80px 20px 40px;
    background-color: #cfd8d8;
    text-align: center;
}

.footer__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer__logo {
    margin-bottom: 40px;
}

.footer__logo-sub {
    font-size: 0.7rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 5px;
}

.footer__logo h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
}

.footer__logo-en {
    font-size: 0.8rem;
    color: var(--text-light);
    font-family: var(--font-serif);
}

.footer__nav ul {
    display: flex;
    justify-content: center;
    gap: 30px;
    list-style: none;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer__nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.75rem;
    line-height: 1.4;
    text-align: center;
}

.footer__nav a span {
    font-size: 0.6rem;
    color: var(--text-light);
    display: block;
}

.footer__sns {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.sns-icon {
    color: var(--text-color);
    transition: color 0.3s;
}

.sns-icon:hover {
    color: var(--accent-color);
}

.footer__copyright {
    font-size: 0.7rem;
    color: var(--text-light);
}

.footer__press {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    width: 100%;
    text-align: center;
}

.footer__press-title {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 8px;
}

.footer__press-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    padding: 0;
}

.footer__press-list a {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.footer__press-list a:hover {
    color: rgba(255,255,255,0.85);
}

.access__map-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.2s;
}

.access__map-link:hover {
    opacity: 0.7;
}

/* ==========================================================================
   関連リンク (Related Links)
   ========================================================================== */
.related-links {
    padding: 100px 20px;
    background-color: var(--bg-color);
}

.related-links__inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.related-links__list {
    list-style: none;
    padding: 0;
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    text-align: left;
}

.related-links__item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 24px 28px;
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 2px;
    text-decoration: none;
    transition: all 0.25s;
    height: 100%;
}

.related-links__item:hover {
    background: rgba(255,255,255,0.95);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.related-links__label {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-color);
    font-weight: 700;
}

.related-links__name {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 700;
}

.related-links__desc {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .related-links__list {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 画像にホバー時のエフェクト追加 */
.about__images,
.surroundings__content,
.rooms__gallery,
.experience-card__image,
.fireplace__image {
    overflow: hidden;
}

.about__images img,
.surroundings__content img,
.rooms__gallery img,
.experience-card__image img,
.fireplace__image img {
    transition: transform 0.6s ease;
}

.about__images:hover img,
.surroundings__content:hover img,
.rooms__gallery:hover img,
.experience-card:hover .experience-card__image img,
.fireplace__image:hover img {
    transform: scale(1.03);
}

/* ==========================================================================
   Responsive (Mobile)
   ========================================================================== */
@media (max-width: 768px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .hero__text {
        right: 50%;
        transform: translate(50%, -50%);
    }

    .section-title {
        font-size: 1.2rem;
    }

    .about__desc {
        font-size: 1rem;
    }

    .surroundings__title::after {
        width: 100px;
    }
}

/* ==========================================================================
   Subpage / Houserule Styles
   ========================================================================== */
.subpage .section-padding {
    padding: 80px 0;
}

.container--narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.subpage-hero {
    width: 100%;
    height: 450px;
    overflow: hidden;
    margin-top: 70px;
    /* Header height */
}

@media (max-width: 768px) {
    .subpage-hero {
        height: 200px;
    }
}

.subpage-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.breadcrumb {
    padding: 20px 0;
    font-size: 0.75rem;
    color: var(--text-light);
}

.breadcrumb__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb__list {
    display: flex;
    list-style: none;
    gap: 10px;
}

.breadcrumb__list a {
    text-decoration: none;
    color: var(--text-light);
}

.breadcrumb__list a:hover {
    text-decoration: underline;
}

.breadcrumb__list li::after {
    content: ">";
    margin-left: 10px;
}

.breadcrumb__list li:last-child::after {
    content: none;
}

.houserule__header {
    text-align: center;
    margin-bottom: 60px;
}

.houserule__title {
    font-size: 1.8rem;
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
}

@media (max-width: 768px) {
    .houserule__title {
        font-size: 1.4rem;
    }
}

.rule-item {
    margin-bottom: 60px;
}

.rule-item__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--ruletitle-color);
}

.rule-item__txt-ja {
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.rule-item__txt-en {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

.serif {
    font-family: var(--font-serif);
}

/* ==========================================================================
   Sauna Page Styles
   ========================================================================== */
.sauna-intro__header {
    text-align: center;
    margin-bottom: 60px;
}

.sauna-intro__title {
    font-size: 2.5rem;
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}

.sauna-intro__subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    letter-spacing: 0.2em;
}

.sauna-intro__gallery {
    margin-bottom: 48px;
}

.sauna-intro__photo-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto 80px;
}

.sauna-intro__photo img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.sauna-intro__gallery-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.sauna-intro__img {
    flex: 1;
}

.sauna-intro__img img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 2px;
}

.sauna-intro__img--2 {
    margin-top: 80px;
}

.sauna-intro__vertical-text {
    writing-mode: vertical-rl;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 0.35em;
    color: var(--text-color);
    line-height: 1.5;
    flex-shrink: 0;
    white-space: nowrap;
}

.sauna-intro__desc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    line-height: 2.2;
    font-size: 1rem;
}

.sauna-intro__desc p {
    margin-bottom: 30px;
}

/* 最新情報 (NEWS) — トップページのコンパクト3列グリッド */
.news {
    padding: 32px 20px 28px;
    background-color: var(--bg-color);
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.news__header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    max-width: 1100px;
    margin: 0 auto 16px;
}

/* newsセクション専用タイトル（横並びでコンパクト） */
.news__section-title {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    text-align: left;
    margin-bottom: 0;
    color: var(--text-color);
}

.news__section-sub {
    font-family: var(--font-serif);
    font-size: 0.7rem;
    color: var(--text-light);
    letter-spacing: 0.15em;
}

/* 3列グリッドレイアウト */
.news__grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: var(--gray-border);
    border: 1px solid var(--gray-border);
}

.news__footer {
    text-align: right;
    max-width: 1100px;
    margin: 12px auto 0;
}

.news__more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-serif);
    font-size: 0.72rem;
    color: var(--text-light);
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.2s;
}

.news__more-link:hover {
    color: var(--accent-color);
}

/* ニュースカード（超コンパクト版） */
.news-card {
    padding: 14px 18px;
    background-color: var(--bg-color);
    transition: background-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.news-card:hover {
    background-color: var(--white);
}

.news-card__date {
    font-family: var(--font-serif);
    font-size: 0.72rem;
    color: var(--accent-color);
    letter-spacing: 0.1em;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-card__category {
    display: inline-block;
    font-size: 0.6rem;
    letter-spacing: 0.06em;
    color: var(--white);
    background: var(--accent-color);
    padding: 1px 6px;
    border-radius: 1px;
    flex-shrink: 0;
}

.news-card__title {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    line-height: 1.5;
    color: var(--text-color);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card__body {
    display: none;
}

@media (max-width: 900px) {
    .news {
        padding: 28px 16px 24px;
    }
    .news__grid {
        grid-template-columns: 1fr;
    }
    .news-card {
        padding: 12px 16px;
    }
    .news-card__title {
        white-space: normal;
        overflow: visible;
        text-overflow: initial;
    }
    .news__footer {
        text-align: center;
    }
}

/* ==========================================================================
   News List Page (/news/index.html)
   ========================================================================== */
.news-list-page {
    padding: 80px 20px 120px;
    max-width: 900px;
    margin: 0 auto;
}

.news-list-page__header {
    text-align: center;
    margin-bottom: 60px;
    padding-top: 40px;
}

.news-list-page__title {
    font-family: var(--font-serif);
    font-size: 2rem;
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.news-list-page__sub {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--text-light);
    letter-spacing: 0.15em;
}

.news-list-page__list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    border-top: 1px solid var(--gray-border);
}

.news-list-item {
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--gray-border);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}

.news-list-item:hover .news-list-item__title {
    color: var(--accent-color);
}

.news-list-item__date {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 0.1em;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-list-item__category {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    color: var(--white);
    background: var(--accent-color);
    padding: 2px 8px;
    border-radius: 1px;
    flex-shrink: 0;
}

.news-list-item__title {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    line-height: 1.6;
    transition: color 0.2s;
}

@media (max-width: 600px) {
    .news-list-item {
        flex-wrap: wrap;
        gap: 8px;
    }
    .news-list-item__title {
        flex: 1 0 100%;
    }
}

/* ==========================================================================
   News Article Page (/news/*.html)
   ========================================================================== */
.news-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px 120px;
}

.news-article__hero {
    width: 100%;
    height: 440px;
    overflow: hidden;
    border-radius: 2px;
    margin-bottom: 48px;
}

.news-article__hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-article__hero--noimgfallback {
    height: 180px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #3a5f5e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-article__hero--noimgfallback span {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.3em;
}

.news-article__meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.news-article__date {
    font-family: var(--font-serif);
    font-size: 0.82rem;
    color: var(--accent-color);
    letter-spacing: 0.12em;
}

.news-article__category {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--white);
    background: var(--accent-color);
    padding: 3px 10px;
    border-radius: 1px;
}

.news-article__title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: 0.06em;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--gray-border);
}

.news-article__body {
    font-size: 0.95rem;
    line-height: 2.2;
    color: var(--text-color);
}

.news-article__body p {
    margin-bottom: 1.8em;
}

.news-article__body h2 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin: 2.5em 0 1em;
    padding-left: 14px;
    border-left: 3px solid var(--accent-color);
    letter-spacing: 0.06em;
}

.news-article__body h3 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    margin: 2em 0 0.8em;
    letter-spacing: 0.04em;
}

.news-article__back {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-border);
    display: flex;
    justify-content: center;
}

.news-article__back-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 0.82rem;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: 0.12em;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
    transition: opacity 0.2s;
}

.news-article__back-link:hover {
    opacity: 0.7;
}

@media (max-width: 600px) {
    .news-article__hero {
        height: 240px;
    }
    .news-article__title {
        font-size: 1.3rem;
    }
    .news-list-page__title {
        font-size: 1.5rem;
    }
}

/* KOBU SAUNA ギャラリー */
.sauna-gallery {
    margin: 0;
    padding-top: 80px;
    padding-bottom: 0;
    border-top: 1px solid var(--gray-border);
}

.sauna-gallery__header {
    text-align: center;
    margin-bottom: 48px;
}

.sauna-gallery__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 140px;
    grid-auto-flow: dense;
    gap: 12px;
}

.sauna-gallery__item {
    grid-column: span 4;
    grid-row: span 2;
    margin: 0;
    overflow: hidden;
    border-radius: 2px;
    background-color: var(--gray-light);
}

.sauna-gallery__item--wide {
    grid-column: span 8;
}

.sauna-gallery__item--tall {
    grid-row: span 3;
}

.sauna-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.sauna-gallery__item:hover img {
    transform: scale(1.04);
}

.sauna-details {
    margin-top: 80px;
    padding-top: 80px;
    border-top: 1px solid var(--gray-border);
}

.sauna-details__header {
    text-align: center;
    margin-bottom: 60px;
}

.sauna-details__title {
    font-size: 1.5rem;
    line-height: 1.4;
}

.sauna-details__title span {
    font-size: 0.85rem;
    color: var(--text-light);
    display: block;
    margin-top: 5px;
}

.sauna-details__content {
    text-align: center;
    margin-bottom: 80px;
}

.sauna-details__item {
    margin-bottom: 40px;
}

.sauna-details__label {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.sauna-details__plan {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 14px;
    color: var(--text-color);
}

.sauna-details__value {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.sauna-details__note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 5px;
}

.sauna-precautions {
    background-color: #DFEDEE;
    padding: 40px;
    border-radius: 2px;
}

.sauna-precautions__title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 30px;
}

.sauna-precautions__list {
    max-width: 600px;
    margin: 0 auto;
    font-size: 0.85rem;
    line-height: 2;
    color: var(--text-color);
}

.sauna-precautions__list li {
    list-style-type: '・';
    padding-left: 10px;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .sauna-intro__title {
        font-size: 1.8rem;
    }

    .sauna-intro__gallery-inner {
        flex-direction: column;
        gap: 30px;
    }

    .sauna-intro__img--2 {
        margin-top: 0;
    }

    .sauna-intro__photo-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }


    .sauna-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 160px;
    }

    .sauna-gallery__item,
    .sauna-gallery__item--wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    .sauna-gallery__item--tall {
        grid-row: span 2;
    }

    .sauna-intro__vertical-text {
        writing-mode: horizontal-tb;
        text-align: center;
        padding-top: 0;
    }

    .sauna-precautions {
        padding: 30px 20px;
    }
}

/* ==========================================================================
   Animation Utils
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 順番に表示させるための遅延設定 */
.fade-delay-1 {
    transition-delay: 0.1s;
}

.fade-delay-2 {
    transition-delay: 0.2s;
}

.fade-delay-3 {
    transition-delay: 0.3s;
}

/* ==========================================================================
   Floating Reservation Button
   ========================================================================== */
.floating-reserve {
    display: none;
    /* デフォルトは非表示(PC) */
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 350px;
    background-color: var(--accent-color);
    color: var(--white);
    text-align: center;
    padding: 18px 0;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-decoration: none;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    /* 影を少し強調 */
    transition: background-color 0.3s ease;
    border-radius: 4px;
    /* ボタンらしく角丸に */
}

.floating-reserve:hover {
    background-color: var(--accent-light);
}

@media (max-width: 768px) {
    .floating-reserve {
        display: block;
        /* スマホのみ表示 */
        bottom: 80px; /* 言語ボタンの上に */
    }

    /* ボタンの分だけフッターに余白を追加 */
    .footer {
        padding-bottom: 80px;
    }
}

/* ==========================================================================
   Floating Language Switcher (右下固定)
   ========================================================================== */
.floating-lang {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9998;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
}

.floating-lang__toggle {
    display: none;
}

.floating-lang__panel {
    display: flex !important;
    flex-direction: row;
    gap: 6px;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
}

.floating-lang__btn {
    min-width: 52px;
    padding: 10px 16px;
    background-color: rgba(30, 55, 55, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 2px;
    color: rgba(255,255,255,0.75);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.floating-lang__btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

.floating-lang__btn.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: rgba(255,255,255,0.5);
    pointer-events: none;
}

@media (max-width: 768px) {
    .floating-lang {
        bottom: 168px;
        right: 12px;
        gap: 4px;
    }
    .floating-lang__btn {
        min-width: 40px;
        padding: 7px 10px;
        font-size: 0.72rem;
        letter-spacing: 0.03em;
    }
}

@media (max-width: 380px) {
    .floating-lang {
        flex-direction: column;
        align-items: flex-end;
        bottom: 168px;
        right: 12px;
        gap: 4px;
    }
}