/* ===========================
   Variables & Reset
   =========================== */
:root {
    --blue: #2f7cff;
    --blue-dark: #1a5fd9;
    --blue-light: #e8f0fe;
    --orange: #f17c20;
    --orange-light: #fef0e4;
    --teal: #4eba9a;
    --teal-light: #e4f7f2;
    --dark: #2b2d42;
    --text: #4a4a6a;
    --text-light: #7b7b9a;
    --border: #e8e8f0;
    --white: #ffffff;
    --bg-light: #f8f9ff;
    --shadow-sm: 0 2px 8px rgba(43,45,66,.08);
    --shadow-md: 0 8px 24px rgba(43,45,66,.12);
    --shadow-lg: 0 16px 48px rgba(43,45,66,.16);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
    color: var(--dark);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   Typography helpers
   =========================== */
.section-label {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--dark);
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 520px;
    margin: 0 auto;
}
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: .95rem;
    font-weight: 700;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}
.btn--primary {
    background: var(--blue);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(47,124,255,.35);
}
.btn--primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47,124,255,.4);
}
.btn--outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,.6);
}
.btn--outline:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--white);
}
.btn--full { width: 100%; }

/* ===========================
   Navbar
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 0;
}
.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    transition: color var(--transition);
}
.navbar.scrolled .navbar__logo { color: var(--dark); }
.navbar__logo-icon { width: 36px; height: 36px; object-fit: contain; border-radius: 6px; display: block; }
.navbar__menu {
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar__link {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 500;
    color: rgba(255,255,255,.9);
    transition: var(--transition);
}
.navbar__link:hover { color: var(--white); background: rgba(255,255,255,.12); }
.navbar.scrolled .navbar__link { color: var(--text); }
.navbar.scrolled .navbar__link:hover { color: var(--blue); background: var(--blue-light); }
.navbar__link--cta {
    background: var(--white);
    color: var(--blue) !important;
    font-weight: 700;
}
.navbar__link--cta:hover {
    background: var(--blue-light) !important;
    transform: translateY(-1px);
}
.navbar.scrolled .navbar__link--cta {
    background: var(--blue);
    color: var(--white) !important;
}
.navbar.scrolled .navbar__link--cta:hover {
    background: var(--blue-dark) !important;
    color: var(--white) !important;
}
.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.navbar__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.navbar.scrolled .navbar__toggle span { background: var(--dark); }

/* ---- Dark navbar (inner pages) ---- */
.navbar--dark { background: var(--dark); }
.navbar--dark .navbar__logo { color: var(--white); }
.navbar--dark .navbar__link { color: rgba(255,255,255,.85); }
.navbar--dark .navbar__link:hover { color: var(--white); background: rgba(255,255,255,.1); }
.navbar--dark .navbar__link--active { color: var(--white); background: rgba(255,255,255,.15); font-weight: 700; }
.navbar--dark .navbar__link--cta { background: var(--blue); color: var(--white) !important; }
.navbar--dark .navbar__link--cta:hover { background: var(--blue-dark) !important; }
.navbar--dark .navbar__toggle span { background: var(--white); }

/* ---- Dropdown ---- */
.navbar__dropdown { position: relative; }
.navbar__dropdown-toggle {
    display: flex !important;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    user-select: none;
}
.navbar__dropdown-arrow {
    width: 14px; height: 14px;
    transition: transform var(--transition);
    flex-shrink: 0;
}
.navbar__dropdown.is-open .navbar__dropdown-arrow { transform: rotate(180deg); }
.navbar__dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(0,0,0,.13);
    min-width: 140px;
    padding: 8px;
    z-index: 200;
}
.navbar__dropdown.is-open .navbar__dropdown-menu { display: block; }
.navbar__dropdown-link {
    display: block;
    padding: 8px 14px;
    font-size: .88rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}
.navbar__dropdown-link:hover { color: var(--blue); background: var(--blue-light); }
.navbar__dropdown-link--active { color: var(--blue); font-weight: 700; }

/* ===========================
   Hero
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0f2557 0%, #1a4cbd 40%, #2f7cff 70%, #4eba9a 100%);
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(47,124,255,.3) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(78,186,154,.2) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 760px;
    animation: heroFadeIn .8s ease both;
}
@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero__sub {
    display: inline-block;
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.7);
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 24px;
}
.hero__title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,.15);
}
.hero__description {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    color: rgba(255,255,255,.85);
    margin-bottom: 40px;
    line-height: 1.8;
}
.hero__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.6);
    font-size: .75rem;
    letter-spacing: .1em;
}
.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
    animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ===========================
   Promise
   =========================== */
.promise {
    padding: 100px 0;
    background: var(--white);
}
.promise__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.promise__text {
    color: var(--text);
    margin-bottom: 20px;
    font-size: .97rem;
}
.promise__content .btn { margin-top: 12px; }
.promise__images {
    position: relative;
    height: 420px;
}
.promise__img {
    position: absolute;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
}
.promise__img:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}
.promise__img--1 {
    width: 260px;
    height: 220px;
    top: 0;
    left: 0;
    z-index: 3;
}
.promise__img--2 {
    width: 220px;
    height: 180px;
    top: 60px;
    right: 0;
    z-index: 2;
}
.promise__img--3 {
    width: 200px;
    height: 170px;
    bottom: 0;
    left: 80px;
    z-index: 4;
}
.promise__img-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-light);
    padding: 20px;
}
.promise__img-fallback--orange { background: var(--orange-light); }
.promise__img-fallback--teal { background: var(--teal-light); }
.promise__img-fallback svg { width: 100%; height: 100%; }

/* ===========================
   Services
   =========================== */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card--featured {
    border-color: var(--orange);
    box-shadow: 0 8px 32px rgba(241,124,32,.15);
}
.service-card--featured:hover {
    box-shadow: 0 16px 48px rgba(241,124,32,.2);
}
.service-card__badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--orange);
    color: var(--white);
    font-size: .75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
}
.service-card__icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
}
.service-card__icon svg { width: 100%; height: 100%; }
.service-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}
.service-card__text {
    font-size: .9rem;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.75;
}
.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.service-card__list li {
    font-size: .85rem;
    color: var(--text);
    padding-left: 20px;
    position: relative;
}
.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
}
.service-card--featured .service-card__list li::before { background: var(--orange); }

/* ===========================
   Stats
   =========================== */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a4cbd 0%, #2f7cff 100%);
}
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.stats__item {
    text-align: center;
}
.stats__number {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
}
.stats__number span {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 500;
    opacity: .8;
}
.stats__label {
    font-size: .9rem;
    color: rgba(255,255,255,.75);
    font-weight: 500;
}

/* ===========================
   FAQ
   =========================== */
.faq {
    padding: 100px 0;
    background: var(--white);
}
.faq__list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq__item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}
.faq__item:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); }
.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}
.faq__question:hover { color: var(--blue); }
.faq__question[aria-expanded="true"] {
    color: var(--blue);
    background: var(--blue-light);
}
.faq__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--blue);
    transition: transform var(--transition);
}
.faq__icon svg { width: 100%; height: 100%; }
.faq__question[aria-expanded="true"] .faq__icon { transform: rotate(180deg); }
.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s cubic-bezier(.4,0,.2,1);
}
.faq__answer.open { max-height: 400px; }
.faq__answer-inner {
    padding: 4px 24px 20px;
    font-size: .9rem;
    color: var(--text);
    line-height: 1.8;
    border-top: 1px solid var(--border);
}

/* ===========================
   Contact
   =========================== */
.contact {
    padding: 100px 0;
    background: var(--bg-light);
}
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}
.contact__info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.contact__info-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    box-shadow: var(--shadow-sm);
    padding: 10px;
}
.contact__info-icon svg { width: 100%; height: 100%; }
.contact__info-label {
    font-size: .78rem;
    color: var(--text-light);
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.contact__info-value {
    font-size: .97rem;
    font-weight: 600;
    color: var(--dark);
}
.contact__form {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}
.form-required { color: var(--orange); }
.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: #b0b0c8; }
.form-input:focus,
.form-textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,124,255,.12); }
.form-textarea {
    resize: vertical;
    min-height: 140px;
}
.form-feedback {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 500;
    margin-bottom: 16px;
}
.form-feedback--success {
    background: #e4f7f2;
    color: #2a7a5a;
    border: 1px solid #4eba9a;
}
.form-feedback--error {
    background: #feeaea;
    color: #b33;
    border: 1px solid #f99;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,.7);
    padding: 60px 0 0;
}
.footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}
.footer__tagline {
    font-size: .88rem;
    color: rgba(255,255,255,.5);
}
.footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.footer__links-group h4 {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    margin-bottom: 16px;
}
.footer__links-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer__links-group a {
    font-size: .88rem;
    color: rgba(255,255,255,.6);
    transition: color var(--transition);
}
.footer__links-group a:hover { color: var(--white); }
.footer__bottom {
    padding: 20px 0;
    text-align: center;
    font-size: .8rem;
    color: rgba(255,255,255,.35);
}

/* ===========================
   Animations
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 900px) {
    .promise__grid { grid-template-columns: 1fr; gap: 48px; }
    .promise__images { height: 320px; }
    .promise__img--1 { width: 200px; height: 170px; }
    .promise__img--2 { width: 180px; height: 150px; }
    .promise__img--3 { width: 160px; height: 140px; }
    .services__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .navbar__menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        box-shadow: var(--shadow-md);
        gap: 4px;
    }
    .navbar__menu.open { display: flex; }
    .navbar__link { color: var(--dark) !important; width: 100%; }
    .navbar__toggle { display: flex; }
    .navbar__dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        border-radius: 8px;
        padding: 4px 8px;
        min-width: unset;
    }
    .navbar__dropdown-link { color: var(--text) !important; padding: 6px 12px; }
    .footer__inner { grid-template-columns: 1fr; gap: 32px; }
    .contact__form { padding: 24px; }
    .hero__buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .promise { padding: 60px 0; }
    .services { padding: 60px 0; }
    .faq { padding: 60px 0; }
    .contact { padding: 60px 0; }
    .promise__images { height: 260px; }
}

/* ===========================
   Featured Properties (Homepage)
   =========================== */
.featured-properties {
    padding: 100px 0;
    background: var(--white);
}
.prop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.prop-home-card {
    display: block;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    color: inherit;
}
.prop-home-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.prop-home-card__img {
    position: relative;
    height: 190px;
    overflow: hidden;
    background: var(--blue-light);
}
.prop-home-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.prop-home-card:hover .prop-home-card__img img { transform: scale(1.05); }
.prop-home-card__placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
}
.prop-home-card__type {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(0,0,0,.55);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 50px;
}
.prop-home-card__body { padding: 18px 20px; }
.prop-home-card__price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 6px;
}
.prop-home-card__title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.4;
}
.prop-home-card__meta {
    display: flex;
    gap: 12px;
    font-size: .8rem;
    color: var(--text-light);
    margin-bottom: 6px;
}
.prop-home-card__address {
    font-size: .78rem;
    color: var(--text-light);
}
@media (max-width: 900px) {
    .prop-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .prop-grid { grid-template-columns: 1fr; }
    .featured-properties { padding: 60px 0; }
}