/* =========================================================
   HARU LIVING — style.css
   女性向けナチュラルライフスタイル不動産ブランド
   Mobile First Design
   ========================================================= */

/* ---------------------------------------------------------
   Custom Properties
   --------------------------------------------------------- */
:root {
    /* Brand Colors */
    --sre-bg:          #FAF9F6;
    --sre-bg-warm:     #F3F0EB;
    --sre-bg-card:     #FFFFFF;
    --sre-beige:       #EDE8E0;
    --sre-beige-dark:  #D4CBBF;
    --sre-brown:       #B5977A;
    --sre-brown-dark:  #8A6F58;
    --sre-sage:        #5C7A6E;
    --sre-sage-light:  #8CAB9F;
    --sre-sage-pale:   #D8E8E4;
    --sre-line:        #06C755;
    --sre-line-dark:   #04A044;
    --sre-text:        #3A3430;
    --sre-text-mid:    #7A6F68;
    --sre-text-light:  #ADA49B;
    --sre-border:      rgba(181, 151, 122, 0.2);
    --sre-white:       #FFFFFF;

    /* Typography */
    --sre-font-serif:  'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
    --sre-font-ja:     'Noto Sans JP', sans-serif;

    /* Spacing */
    --sre-max-w:  1280px;
    --sre-ease:   cubic-bezier(0.16, 1, 0.3, 1);
    --sre-dur:    0.7s;

    /* Shadow */
    --sre-shadow-sm: 0 2px 16px rgba(58, 52, 48, 0.07);
    --sre-shadow-md: 0 8px 40px rgba(58, 52, 48, 0.10);
    --sre-radius-sm: 12px;
    --sre-radius-md: 20px;
    --sre-radius-full: 9999px;
}

/* ---------------------------------------------------------
   Reset / Base (Mobile First)
   --------------------------------------------------------- */
.work-4-body {
    font-family: var(--sre-font-ja);
    font-weight: 300;
    font-size: 15px;
    line-height: 1.8;
    color: var(--sre-text);
    background: var(--sre-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.work-4-body * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.work-4-body img {
    display: block;
    max-width: 100%;
    height: auto;
}

.work-4-body a {
    color: inherit;
    text-decoration: none;
}

.work-4-body ul, .work-4-body ol { list-style: none; }

/* ---------------------------------------------------------
   Reusable: Label
   --------------------------------------------------------- */
.sre-label {
    display: inline-block;
    font-family: var(--sre-font-serif);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--sre-brown);
    padding-bottom: 10px;
    position: relative;
    margin-bottom: 16px;
}

.sre-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 1px;
    background: var(--sre-brown);
}

.sre-label--light {
    color: rgba(255,255,255,0.7);
}

.sre-label--light::after {
    background: rgba(255,255,255,0.5);
}

/* ---------------------------------------------------------
   Reusable: Buttons
   --------------------------------------------------------- */
.sre-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--sre-font-ja);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: 14px 28px;
    border-radius: var(--sre-radius-full);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.3s ease;
    cursor: pointer;
    border: none;
}

.sre-btn:hover { transform: translateY(-2px); }

.sre-btn--line {
    background: var(--sre-line);
    color: #fff;
    box-shadow: 0 4px 20px rgba(6, 199, 85, 0.35);
}

.sre-btn--line:hover {
    background: var(--sre-line-dark);
    box-shadow: 0 8px 28px rgba(6, 199, 85, 0.45);
    color: #fff;
}

.sre-btn--line-lg {
    background: var(--sre-line);
    color: #fff;
    font-size: 15px;
    padding: 18px 36px;
    box-shadow: 0 4px 24px rgba(6, 199, 85, 0.4);
}

.sre-btn--line-lg:hover {
    background: var(--sre-line-dark);
    box-shadow: 0 8px 32px rgba(6, 199, 85, 0.5);
    color: #fff;
}

.sre-btn--outline {
    background: transparent;
    color: var(--sre-text);
    border: 1.5px solid var(--sre-beige-dark);
}

.sre-btn--outline:hover {
    border-color: var(--sre-brown);
    color: var(--sre-brown-dark);
    box-shadow: var(--sre-shadow-sm);
}

.sre-btn--ghost {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.45);
    backdrop-filter: blur(6px);
}

.sre-btn--ghost:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.7);
    color: #fff;
}

.sre-btn--outline-light {
    background: transparent;
    color: rgba(255,255,255,0.9);
    border: 1.5px solid rgba(255,255,255,0.45);
}

.sre-btn--outline-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.7);
    color: #fff;
}

/* Link arrow */
.sre-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--sre-font-ja);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--sre-brown);
    transition: gap 0.3s ease, color 0.3s ease;
}

.sre-link-arrow:hover {
    gap: 14px;
    color: var(--sre-brown-dark);
}

/* ---------------------------------------------------------
   HEADER
   --------------------------------------------------------- */
.sre-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 200;
    background: rgba(250, 249, 246, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--sre-beige);
    transition: box-shadow 0.35s ease;
}

.sre-header.is-scrolled {
    box-shadow: 0 2px 24px rgba(58,52,48,0.08);
}

.sre-header__inner {
    max-width: var(--sre-max-w);
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 48px);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* Logo */
.sre-header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sre-text);
    flex-shrink: 0;
}

.sre-header__logo-mark {
    color: var(--sre-brown);
    flex-shrink: 0;
}

.sre-header__logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sre-header__logo-name {
    font-family: var(--sre-font-serif);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--sre-text);
    line-height: 1;
}

.sre-header__logo-sub {
    font-family: var(--sre-font-ja);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--sre-text-mid);
    line-height: 1;
}

/* Nav */
.sre-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(14px, 2vw, 30px);
}

.sre-nav__item a {
    font-family: var(--sre-font-ja);
    font-size: 13px;
    font-weight: 400;
    color: var(--sre-text-mid);
    letter-spacing: 0.04em;
    position: relative;
    padding-bottom: 2px;
    transition: color 0.3s ease;
}

.sre-nav__item a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--sre-brown);
    transition: width 0.35s var(--sre-ease);
}

.sre-nav__item a:hover { color: var(--sre-brown-dark); }
.sre-nav__item a:hover::after { width: 100%; }

.sre-nav__item--line a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--sre-line);
    color: #fff !important;
    padding: 8px 18px;
    border-radius: var(--sre-radius-full);
    font-size: 12px;
    font-weight: 500;
    box-shadow: 0 2px 12px rgba(6, 199, 85, 0.3);
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.25s ease;
}

.sre-nav__item--line a::after { display: none; }

.sre-nav__item--line a:hover {
    background: var(--sre-line-dark);
    box-shadow: 0 4px 16px rgba(6, 199, 85, 0.4);
    transform: translateY(-1px);
}

/* Hamburger */
.sre-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 42px;
    height: 42px;
}

.sre-hamburger__line {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--sre-text);
    border-radius: 2px;
    transition: transform 0.35s var(--sre-ease), opacity 0.3s ease;
}

.sre-hamburger.is-active .sre-hamburger__line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.sre-hamburger.is-active .sre-hamburger__line:nth-child(2) { opacity: 0; }
.sre-hamburger.is-active .sre-hamburger__line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------------------------------------------------------
   LINE Fixed FAB
   --------------------------------------------------------- */
.sre-line-fab {
    position: fixed;
    bottom: 24px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: var(--sre-line);
    color: #fff;
    border-radius: 16px;
    padding: 12px 14px;
    box-shadow: 0 4px 24px rgba(6, 199, 85, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    font-family: var(--sre-font-ja);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.04em;
}

.sre-line-fab:hover {
    background: var(--sre-line-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(6, 199, 85, 0.55);
    color: #fff;
}

/* ---------------------------------------------------------
   MAIN — Horizontal Scroll
   --------------------------------------------------------- */
.sre-main {
    /* overflow: hidden は position:sticky を破壊するため使わない */
}

/* Wrapper: デスクトップ時に height を JS で設定
   横はみ出し防止に overflow-x: clip を使う（sticky を壊さない） */
.sre-hscroll-wrapper {
    position: relative;
    overflow-x: clip;
}

/* Sticky container: デスクトップで viewport に貼り付き横スクロールを実現 */
.sre-hscroll-sticky {
    position: sticky;
    top: 0;
    height: 100svh;
    overflow: hidden;
}

/* Track: flex row、JS で translateX
   transition は付けない（scroll イベントで毎フレーム更新するため） */
.sre-hscroll-track {
    display: flex;
    height: 100%;
    will-change: transform;
}

/* Each panel */
.sre-panel {
    position: relative;
    flex-shrink: 0;
    width: 100vw;
    height: 100svh;
    overflow: hidden;
}

/* Panel number */
.sre-panel__num {
    position: absolute;
    bottom: 28px;
    left: clamp(20px, 5vw, 60px);
    font-family: var(--sre-font-serif);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.45);
    z-index: 5;
    pointer-events: none;
}

.sre-panel__num span { opacity: 0.5; }

/* Progress bar */
.sre-progress {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--sre-beige);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.sre-progress.is-visible { opacity: 1; }

.sre-progress__bar {
    height: 100%;
    background: linear-gradient(90deg, var(--sre-brown) 0%, var(--sre-sage) 100%);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

/* Panel nav dots */
.sre-panel-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 150;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.sre-panel-nav.is-visible { opacity: 1; }

.sre-panel-nav__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.3s ease, transform 0.3s ease;
}

.sre-panel-nav__dot:hover { background: rgba(255,255,255,0.7); }
.sre-panel-nav__dot.is-active {
    background: #fff;
    transform: scale(1.3);
}

/* Scroll hint */
.sre-panel__scroll-hint {
    position: absolute;
    bottom: 28px;
    right: clamp(20px, 5vw, 60px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 5;
}

.sre-scroll-hint__line {
    display: block;
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.3);
    position: relative;
    overflow: hidden;
}

.sre-scroll-hint__line::after {
    content: '';
    position: absolute;
    top: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.8);
    animation: scrollLineDrop 2.2s ease-in-out infinite;
}

@keyframes scrollLineDrop {
    0%   { top: -100%; }
    50%  { top: 0%; }
    100% { top: 100%; }
}

.sre-scroll-hint__text {
    font-family: var(--sre-font-serif);
    font-size: 9px;
    letter-spacing: 0.35em;
    color: rgba(255,255,255,0.5);
    writing-mode: vertical-lr;
}

/* ---------------------------------------------------------
   PANEL 01 — HERO
   --------------------------------------------------------- */
.sre-panel--hero { background: var(--sre-text); }

.sre-hero__bg {
    position: absolute;
    inset: 0;
}

.sre-hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    transition: transform 8s ease-out;
}

.sre-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(58, 52, 48, 0.55) 0%,
        rgba(92, 122, 110, 0.30) 60%,
        rgba(58, 52, 48, 0.40) 100%
    );
}

.sre-hero__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(80px, 12vw, 120px) clamp(20px, 7vw, 100px) clamp(60px, 8vw, 80px);
    max-width: 700px;
}

.sre-hero__eyecatch {
    display: inline-block;
    font-family: var(--sre-font-ja);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.25em;
    color: rgba(255,255,255,0.75);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 5px 14px;
    border-radius: var(--sre-radius-full);
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.sre-hero__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(28px, 5vw, 60px);
    line-height: 1.55;
    letter-spacing: 0.06em;
    color: #fff;
    margin-bottom: 20px;
}

.sre-hero__sub {
    font-family: var(--sre-font-ja);
    font-size: clamp(12px, 1.3vw, 14px);
    font-weight: 300;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.65);
    margin-bottom: 40px;
    line-height: 2;
}

.sre-hero__btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* ---------------------------------------------------------
   PANEL 02 — CONCEPT
   --------------------------------------------------------- */
.sre-panel--concept {
    background: var(--sre-bg);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.sre-concept__bg {
    position: relative;
    overflow: hidden;
}

.sre-concept__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--sre-ease);
}

.sre-panel--concept:hover .sre-concept__bg img {
    transform: scale(1.04);
}

.sre-concept__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(40px, 6vw, 80px) clamp(30px, 5vw, 70px);
    background: var(--sre-bg);
}

.sre-concept__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(24px, 3.5vw, 44px);
    line-height: 1.6;
    letter-spacing: 0.06em;
    color: var(--sre-text);
    margin-bottom: 24px;
}

.sre-concept__title em {
    font-style: normal;
    color: var(--sre-brown);
}

.sre-concept__text {
    font-size: clamp(13px, 1.2vw, 15px);
    line-height: 2.2;
    color: var(--sre-text-mid);
    letter-spacing: 0.06em;
    margin-bottom: 36px;
}

/* ---------------------------------------------------------
   PANEL 03 — SERVICES
   --------------------------------------------------------- */
.sre-panel--services {
    background: var(--sre-bg-warm);
    display: flex;
    align-items: center;
}

.sre-services__inner {
    max-width: var(--sre-max-w);
    width: 100%;
    margin: 0 auto;
    padding: clamp(40px, 6vw, 80px) clamp(20px, 6vw, 80px);
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
}

.sre-services__head {
    padding-top: 8px;
}

.sre-services__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(18px, 2.5vw, 28px);
    line-height: 1.7;
    letter-spacing: 0.08em;
    color: var(--sre-text);
    margin-top: 10px;
}

.sre-services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(12px, 2vw, 20px);
}

.sre-service-card {
    background: var(--sre-bg-card);
    border-radius: var(--sre-radius-md);
    overflow: hidden;
    box-shadow: var(--sre-shadow-sm);
    transition: transform 0.35s var(--sre-ease), box-shadow 0.35s ease;
}

.sre-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sre-shadow-md);
}

.sre-service-card__img {
    height: clamp(120px, 15vw, 180px);
    overflow: hidden;
}

.sre-service-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--sre-ease);
}

.sre-service-card:hover .sre-service-card__img img {
    transform: scale(1.06);
}

.sre-service-card__body {
    padding: clamp(16px, 2vw, 24px);
}

.sre-service-card__num {
    font-family: var(--sre-font-serif);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--sre-brown);
    display: block;
    margin-bottom: 8px;
}

.sre-service-card__title {
    font-weight: 700;
    font-size: clamp(14px, 1.5vw, 16px);
    color: var(--sre-text);
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.sre-service-card__text {
    font-size: 13px;
    line-height: 1.85;
    color: var(--sre-text-mid);
}

/* ---------------------------------------------------------
   PANEL 04 — ROOM TOUR
   --------------------------------------------------------- */
.sre-panel--roomtour { background: var(--sre-text); }

.sre-roomtour__bg {
    position: absolute;
    inset: 0;
}

.sre-roomtour__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7);
}

.sre-roomtour__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(58, 52, 48, 0.75) 0%,
        rgba(58, 52, 48, 0.50) 50%,
        rgba(92, 122, 110, 0.40) 100%
    );
}

.sre-roomtour__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(60px, 8vw, 100px) clamp(20px, 7vw, 100px);
    max-width: 640px;
}

.sre-roomtour__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(22px, 3.5vw, 44px);
    line-height: 1.6;
    letter-spacing: 0.06em;
    color: #fff;
    margin-bottom: 20px;
}

.sre-roomtour__text {
    font-size: clamp(13px, 1.3vw, 15px);
    line-height: 2;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.06em;
    margin-bottom: 32px;
}

/* Video placeholder */
.sre-roomtour__video-wrap {
    margin-bottom: 32px;
}

.sre-roomtour__video-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 16 / 9;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--sre-radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: background 0.3s ease;
    backdrop-filter: blur(4px);
}

.sre-roomtour__video-placeholder:hover {
    background: rgba(255,255,255,0.10);
}

.sre-roomtour__video-placeholder p {
    font-size: 13px;
    letter-spacing: 0.1em;
}

/* Actual video embed */
.sre-roomtour__video-wrap iframe {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 16 / 9;
    border: none;
    border-radius: var(--sre-radius-sm);
}

/* ---------------------------------------------------------
   PANEL 05 — REVIEWS
   --------------------------------------------------------- */
.sre-panel--reviews {
    background: var(--sre-bg);
    display: flex;
    align-items: center;
}

.sre-reviews__inner {
    max-width: var(--sre-max-w);
    width: 100%;
    margin: 0 auto;
    padding: clamp(40px, 6vw, 80px) clamp(20px, 6vw, 80px);
}

.sre-reviews__head {
    margin-bottom: clamp(30px, 4vw, 50px);
}

.sre-reviews__title {
    font-family: var(--sre-font-serif);
    font-size: clamp(26px, 3.5vw, 44px);
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--sre-text);
    margin-top: 10px;
}

.sre-reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(12px, 2vw, 20px);
    margin-bottom: 36px;
}

.sre-review-card {
    background: var(--sre-bg-card);
    border-radius: var(--sre-radius-md);
    padding: clamp(20px, 3vw, 32px);
    box-shadow: var(--sre-shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 16px;
    border: 1px solid var(--sre-beige);
    transition: transform 0.3s var(--sre-ease), box-shadow 0.3s ease;
}

.sre-review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sre-shadow-md);
}

.sre-review-card__quote {
    font-family: var(--sre-font-serif);
    font-size: 48px;
    line-height: 1;
    color: var(--sre-sage-pale);
    margin-bottom: -8px;
}

.sre-review-card__text {
    font-size: 13px;
    line-height: 1.9;
    color: var(--sre-text-mid);
    flex: 1;
}

.sre-review-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--sre-beige);
}

.sre-review-card__author img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sre-review-card__name {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--sre-text);
    letter-spacing: 0.04em;
}

.sre-review-card__meta {
    display: block;
    font-size: 11px;
    color: var(--sre-text-light);
    letter-spacing: 0.06em;
    margin-top: 2px;
}

.sre-reviews__more {
    text-align: right;
}

/* ---------------------------------------------------------
   PANEL 06 — CONTACT
   --------------------------------------------------------- */
.sre-panel--contact { background: var(--sre-text); }

.sre-contact__bg {
    position: absolute;
    inset: 0;
}

.sre-contact__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.sre-contact__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(92, 122, 110, 0.75) 0%,
        rgba(58, 52, 48, 0.70) 100%
    );
}

.sre-contact__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: clamp(60px, 8vw, 100px) clamp(20px, 7vw, 100px);
    max-width: 680px;
}

.sre-contact__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(24px, 4vw, 52px);
    line-height: 1.55;
    letter-spacing: 0.06em;
    color: #fff;
    margin-bottom: 20px;
}

.sre-contact__text {
    font-size: clamp(13px, 1.3vw, 15px);
    line-height: 2;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.06em;
    margin-bottom: 36px;
}

.sre-contact__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.sre-contact__info {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.06em;
}

.sre-contact__info p {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------------------------------------------------------
   FOOTER
   --------------------------------------------------------- */
.sre-footer {
    background: var(--sre-text);
}

.sre-footer__inner {
    max-width: var(--sre-max-w);
    margin: 0 auto;
    padding: clamp(50px, 7vw, 80px) clamp(20px, 5vw, 60px);
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.4fr;
    gap: clamp(30px, 5vw, 60px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sre-footer__logo-name {
    font-family: var(--sre-font-serif);
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: #fff;
    margin-bottom: 4px;
}

.sre-footer__logo-ja {
    font-family: var(--sre-font-ja);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--sre-brown);
    margin-bottom: 16px;
}

.sre-footer__tagline {
    font-family: var(--sre-font-ja);
    font-size: 13px;
    font-weight: 300;
    line-height: 2;
    color: rgba(255,255,255,0.4);
    margin-bottom: 24px;
    letter-spacing: 0.08em;
}

.sre-footer__social {
    display: flex;
    gap: 16px;
}

.sre-footer__social a {
    color: rgba(255,255,255,0.4);
    transition: color 0.3s ease;
}

.sre-footer__social a:hover { color: #fff; }

.sre-footer__col-title {
    font-family: var(--sre-font-serif);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--sre-brown);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sre-footer__nav-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sre-footer__nav-list a {
    font-size: 13px;
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
    transition: color 0.3s ease;
}

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

.sre-footer__dl dt {
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--sre-brown);
    margin-top: 14px;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-family: var(--sre-font-serif);
}

.sre-footer__dl dt:first-child { margin-top: 0; }

.sre-footer__dl dd {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255,255,255,0.55);
}

.sre-footer__dl dd small {
    font-size: 11px;
    opacity: 0.7;
}

.sre-footer__line-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--sre-line);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 12px 20px;
    border-radius: var(--sre-radius-full);
    margin-top: 20px;
    box-shadow: 0 3px 16px rgba(6,199,85,0.3);
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.25s ease;
}

.sre-footer__line-btn:hover {
    background: var(--sre-line-dark);
    box-shadow: 0 6px 20px rgba(6,199,85,0.4);
    transform: translateY(-1px);
    color: #fff;
}

.sre-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
}

.sre-footer__bottom-inner {
    max-width: var(--sre-max-w);
    margin: 0 auto;
    padding: 20px clamp(20px, 5vw, 60px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.sre-footer__back {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.25);
    transition: color 0.3s ease;
}

.sre-footer__back:hover { color: rgba(255,255,255,0.6); }

.sre-footer__copy {
    font-size: 10px;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.2);
}

/* ---------------------------------------------------------
   Sub-page base styles (used in sub-pages stubs)
   --------------------------------------------------------- */
.sre-subpage-hero {
    position: relative;
    padding: clamp(100px, 14vw, 140px) clamp(16px, 5vw, 60px) clamp(60px, 8vw, 80px);
    background: var(--sre-bg-warm);
    overflow: hidden;
}

.sre-subpage-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.sre-subpage-hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(58, 52, 48, 0.45);
}

.sre-subpage-hero__content {
    position: relative;
    z-index: 1;
    max-width: var(--sre-max-w);
    margin: 0 auto;
}

.sre-subpage-hero__title {
    font-family: var(--sre-font-ja);
    font-weight: 500;
    font-size: clamp(24px, 4vw, 48px);
    letter-spacing: 0.08em;
    color: #fff;
    margin-bottom: 10px;
}

.sre-subpage-hero__en {
    font-family: var(--sre-font-serif);
    font-size: 13px;
    letter-spacing: 0.3em;
    color: rgba(255,255,255,0.6);
}

.sre-subpage-content {
    max-width: var(--sre-max-w);
    margin: 0 auto;
    padding: clamp(60px, 8vw, 100px) clamp(16px, 5vw, 60px);
}

/* ---------------------------------------------------------
   RESPONSIVE — Mobile First adjustments
   --------------------------------------------------------- */

/* Tablet: disable horizontal scroll */
@media (max-width: 1023px) {
    /* Reset horizontal scroll mechanics */
    .sre-hscroll-wrapper {
        height: auto !important; /* override JS */
    }

    .sre-hscroll-sticky {
        position: static;
        height: auto;
        overflow: visible;
    }

    .sre-hscroll-track {
        flex-direction: column;
        transform: none !important; /* override JS */
    }

    .sre-panel {
        width: 100%;
        height: auto;
        min-height: 100svh;
    }

    .sre-panel__num,
    .sre-progress,
    .sre-panel-nav,
    .sre-panel__scroll-hint {
        display: none;
    }

    /* Panel 02 concept */
    .sre-panel--concept {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .sre-concept__bg {
        height: clamp(240px, 50vw, 360px);
    }

    /* Panel 03 services */
    .sre-services__inner {
        grid-template-columns: 1fr;
    }

    .sre-services__grid {
        grid-template-columns: 1fr;
    }

    .sre-service-card__img { height: 180px; }

    /* Panel 05 reviews */
    .sre-reviews__grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .sre-footer__inner {
        grid-template-columns: 1fr;
    }

    .sre-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* Mobile narrow */
@media (max-width: 767px) {
    .sre-hamburger { display: flex; }

    .sre-nav {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background: var(--sre-bg);
        border-top: 1px solid var(--sre-beige);
        padding: 16px 20px 28px;
        box-shadow: 0 8px 32px rgba(58,52,48,0.1);
    }

    .sre-nav.is-open { display: block; }

    .sre-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .sre-nav__item {
        width: 100%;
        border-bottom: 1px solid var(--sre-beige);
    }

    .sre-nav__item a {
        display: block;
        padding: 15px 0;
        font-size: 14px;
        color: var(--sre-text);
    }

    .sre-nav__item--line {
        border: none;
        margin-top: 16px;
    }

    .sre-nav__item--line a {
        display: inline-flex;
        padding: 12px 24px;
    }

    .sre-hero__content {
        padding: 80px 20px 60px;
    }

    .sre-hero__btns {
        flex-direction: column;
    }

    .sre-contact__actions {
        flex-direction: column;
    }

    .sre-line-fab {
        bottom: 16px;
        right: 14px;
    }
}

@media (max-width: 480px) {
    .sre-hero__title { font-size: clamp(24px, 7vw, 36px); }
    .sre-contact__title { font-size: clamp(22px, 6vw, 32px); }
    .sre-roomtour__title { font-size: clamp(20px, 6vw, 30px); }
}