/* =========================
   Header / Menu / Footer
========================= */

/* ===== Header ===== */
.header {
    position: relative;
    z-index: 100;
}

.header-inner {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
    width: 100%;
    padding: clamp(18px, 2.4vw, 36px) clamp(18px, 4vw, 64px);
    box-sizing: border-box;
    pointer-events: none;
}

.header .logo {
    margin: 0;
    pointer-events: auto;
}

.toplogo {
    display: block;
    width: clamp(180px, 18vw, 320px);
    max-width: 56vw;
    height: auto;
}

/* ===== Menu Trigger ===== */
.menu-trigger {
    position: fixed;
    top: 55px;
    right: calc((100vw - 94vw) / 2);
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #333;
    z-index: 99999;
    cursor: pointer;
    pointer-events: auto;
    transition: transform .3s ease, background .3s ease;
}

.menu-trigger span {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 2px;
    background: #fff;
    border-radius: 999px;
    transform: translateX(-50%);
    transition: transform .35s ease, top .35s ease, background .35s ease;
}

.menu-trigger span:nth-child(1) {
    top: 16px;
}

.menu-trigger span:nth-child(2) {
    top: 24px;
}

@media (hover: hover) {
    .menu-trigger:hover {
        transform: scale(1.08);
    }
}

html.is-menu-open .menu-trigger {
    background: #fff;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

html.is-menu-open .menu-trigger span {
    background: #333;
}

html.is-menu-open .menu-trigger span:nth-child(1) {
    top: 21px;
    transform: translateX(-50%) rotate(35deg);
}

html.is-menu-open .menu-trigger span:nth-child(2) {
    top: 21px;
    transform: translateX(-50%) rotate(-35deg);
}

/* ===== Overlay ===== */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.25);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .4s ease, visibility .4s ease;
    z-index: 99997;
}

html.is-menu-open .menu-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ===== Panel ===== */
.menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 35%;
    height: 100%;
    box-sizing: border-box;
    padding: 60px;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateX(100%);
    transition: transform .5s cubic-bezier(.7,0,.2,1);
    z-index: 99998;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

html.is-menu-open .menu-panel {
    transform: translateX(0);
}

/* ===== Close Button ===== */
.menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.menu-close::before,
.menu-close::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    background: #111;
    border-radius: 999px;
}

.menu-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.menu-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* ===== Menu List ===== */
.menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-list li {
    margin-bottom: 22px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity .4s ease, transform .4s ease;
}

html.is-menu-open .menu-list li {
    opacity: 1;
    transform: translateX(0);
}

html.is-menu-open .menu-list li:nth-child(1) { transition-delay: .05s; }
html.is-menu-open .menu-list li:nth-child(2) { transition-delay: .10s; }
html.is-menu-open .menu-list li:nth-child(3) { transition-delay: .15s; }
html.is-menu-open .menu-list li:nth-child(4) { transition-delay: .20s; }
html.is-menu-open .menu-list li:nth-child(5) { transition-delay: .25s; }
html.is-menu-open .menu-list li:nth-child(6) { transition-delay: .30s; }

.menu-list a {
    position: relative;
    display: inline-block;
    color: #111;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: .03em;
    transition: transform .3s ease, opacity .3s ease;
}

.menu-list a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}

@media (hover: hover) {
    .menu-list a:hover {
        transform: translateX(8px);
        opacity: .55;
    }

    .menu-list a:hover::after {
        transform: scaleX(1);
    }
}

.menu-copy {
    margin: 60px 0 0;
    color: #555;
    font-size: .9rem;
    line-height: 1.9;
}

/* ===== Footer ===== */
.l-gf {
    background: #fff;
}

.l-gf__wrap {
    padding: clamp(35px, 5vw, 75px) 0;
}

.footer-data {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    gap: 24px;
}

.logofooter {
    width: clamp(150px, 16vw, 205px);
    height: auto;
}

.footer-company,
.footer-sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-company {
    display: grid;
    gap: 12px;
    color: #333;
    line-height: 1.8;
}

.footer-company .name {
    font-weight: 700;
}

.footer-sub-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
}

.footer-sub-menu a {
    color: #333;
    text-decoration: none;
    font-size: .95rem;
}

.footer.copyright {
    display: block;
    color: #666;
    font-size: .94rem;
    line-height: 1.8;
}

/* ===== Tablet ===== */
@media (max-width: 1024px) {
    .menu-trigger {
        right: calc((100vw - 86vw) / 2);
    }

    .menu-panel {
        width: 60%;
        padding: 56px;
    }

    .footer-data {
        gap: 22px;
    }
}

/* ===== Smartphone ===== */
@media (max-width: 767px) {
    .header-inner {
        padding: 18px 20px;
    }

    .toplogo {
        width: 190px;
        max-width: 62vw;
    }

    .menu-trigger {
        top: 18px;
        right: 18px;
        width: 44px;
        height: 44px;
    }

    .menu-panel {
        width: 100%;
        padding: 96px 24px 56px;
        background: rgba(255,255,255,.94);
    }

    .menu-list li {
        margin-bottom: 24px;
    }

    .menu-list a {
        font-size: clamp(1.35rem, 7vw, 2.1rem);
    }

    .menu-copy {
        margin-top: 42px;
        font-size: .78rem;
        text-align: left;
    }

    .l-gf__wrap {
        padding: 48px 24px;
    }

    .footer-sub-menu {
        flex-direction: column;
        gap: 8px;
    }

    .footer.copyright {
        font-size: .78rem;
    }
}