/* ===================================
   株式会社セカンド - style.css
   =================================== */

/* --- Base --- */
html,
body {
    background-color: #fff;
    color: #1f2937;
    font-family: "Manrope", "Noto Sans JP", sans-serif;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

/* --- Utility --- */
.text-gradient {
    background-image: linear-gradient(135deg, #1ca2c8 0%, #1588a9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.3em;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* --- Text Shadow --- */
.text-shadow-hero {
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 0, 0, 0.3);
}

.text-shadow-section-title {
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.text-shadow-body {
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

/* --- Image Zoom --- */
.img-zoom {
    transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.group:hover .img-zoom {
    transform: scale(1.1);
}

/* --- Clip Path --- */
.clip-diagonal-all {
    clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%);
}

@media (max-width: 640px) {
    .clip-diagonal-all {
        clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
    }
}

/* --- Section Title --- */
.section-title-en {
    font-family: "Oswald", sans-serif;
    font-size: 2.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-image: linear-gradient(135deg, #1ca2c8 0%, #1588a9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .section-title-en {
        font-size: 3rem;
    }
}

.section-title-ja {
    font-family: "Manrope", "Noto Sans JP", sans-serif;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: #6b7280;
    margin-bottom: 3rem;
    display: block;
}

/* --- Button --- */
.btn-elegant {
    position: relative;
    display: block;
    width: 100%;
    text-align: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #111827;
    font-family: "Manrope", "Noto Sans JP", sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    transition: all 0.5s;
    overflow: hidden;
    text-transform: uppercase;
}

.btn-elegant:hover {
    border-color: transparent;
    color: #fff;
}

.btn-elegant::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(135deg, #1ca2c8 0%, #1588a9 100%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 0;
}

.btn-elegant:hover::before {
    opacity: 1;
}

.btn-elegant span {
    position: relative;
    z-index: 10;
}

/* --- Loader --- */
#loader {
    position: fixed;
    inset: 0;
    z-index: 100;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s;
}

/* --- Mobile Menu Toggle --- */
.menu-open .bar-1 {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .bar-2 {
    opacity: 0;
}

.menu-open .bar-3 {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu --- */
#nav-overlay {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-bg {
    background: linear-gradient(180deg, #fff 0%, #f8fcfd 100%);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

body.menu-open {
    overflow: hidden;
}

.mobile-menu-close {
    color: #6b7280;
    transition: color 0.2s;
}

.mobile-menu-close:hover {
    color: #1CA2C8;
}

.mobile-nav-item {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    letter-spacing: 0.12em;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: color 0.2s, padding-left 0.2s;
}

.mobile-nav-item:first-child {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-nav-item:hover {
    color: #1CA2C8;
    padding-left: 0.5rem;
}

.mobile-nav-cta {
    display: block;
    margin-top: 2rem;
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #1CA2C8 0%, #1588a9 100%);
    border-radius: 9999px;
    text-align: center;
    letter-spacing: 0.15em;
    transition: opacity 0.2s;
}

.mobile-nav-cta:hover {
    opacity: 0.9;
}

.mobile-menu-copyright {
    font-size: 10px;
    color: #9ca3af;
    letter-spacing: 0.15em;
    text-align: center;
}

/* --- Brand Card Mobile Logo Background --- */
@media (max-width: 639px) {
    .brand-card[class*="brand-card--"]::before {
        content: "";
        position: absolute;
        right: -1rem;
        bottom: -1rem;
        width: 120px;
        height: 120px;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
        opacity: 0.08;
        pointer-events: none;
    }
    .brand-card--sashin::before { background-image: url('images/LG_sashin.webp'); }
    .brand-card--daruma::before { background-image: url('images/LG_daruma-bar.webp'); }
    .brand-card--w::before { background-image: url('images/LG_W.webp'); }
    .brand-card--donaiya::before { background-image: url('images/LG_donaiya.webp'); }
}

/* --- Hero Mobile Slideshow --- */
.hero-fv-slide {
    will-change: opacity, transform;
    object-position: center bottom;
}

.hero-fv-slide--1 {
    animation: heroSlide1 12s ease-in-out infinite;
}

.hero-fv-slide--2 {
    animation: heroSlide2 12s ease-in-out infinite;
}

@keyframes heroSlide1 {
    0%   { opacity: 1; transform: scale(1.08) translate(-1%, 0); }
    42%  { opacity: 1; transform: scale(1.09) translate(0.5%, -0.3%); }
    50%  { opacity: 0; transform: scale(1.09) translate(1%, -0.5%); }
    58%  { opacity: 0; transform: scale(1.08) translate(1%, -0.5%); }
    92%  { opacity: 0; transform: scale(1.08) translate(-0.5%, 0); }
    100% { opacity: 1; transform: scale(1.08) translate(-1%, 0); }
}

@keyframes heroSlide2 {
    0%   { opacity: 0; transform: scale(1.08) translate(1%, 0); }
    42%  { opacity: 0; transform: scale(1.08) translate(0.5%, 0); }
    50%  { opacity: 1; transform: scale(1.08) translate(0, 0); }
    58%  { opacity: 1; transform: scale(1.08) translate(-0.3%, -0.1%); }
    92%  { opacity: 1; transform: scale(1.09) translate(-1%, -0.5%); }
    100% { opacity: 0; transform: scale(1.09) translate(-1%, -0.5%); }
}

/* --- Keyframes --- */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        transform: scaleY(1);
        transform-origin: top;
    }
    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) skewX(-15deg);
    }
    20% {
        transform: translateX(100%) skewX(-15deg);
    }
    100% {
        transform: translateX(100%) skewX(-15deg);
    }
}

.animate-fade-in {
    animation: fadeIn 1.5s ease-out forwards;
}

.animate-scroll-line {
    animation: scrollLine 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

.animate-shine {
    animation: shine 3s infinite linear;
}

/* --- Floating Banner Mobile --- */
.floating-banner-badge-col {
    background-color: #fff;
    color: #1CA2C8;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.3;
    border-radius: 0.375rem;
}

.floating-banner-title-row {
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.1em;
}

/* --- Hero --- */
.hero-fv-img {
    opacity: 0.8;
}

.hero-fv-overlay {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent, #fff);
}

/* --- Floating Banner Desktop --- */
.floating-banner-badge {
    background-color: #fff;
    color: #1CA2C8;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.15em;
    border-radius: 0.375rem;
}

.floating-banner-title {
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.15em;
    line-height: 1.4;
}

.floating-banner-title-urgency {
    font-size: 20px;
}

.floating-banner-title-position {
    font-size: 22px;
}

.floating-banner-salary-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    letter-spacing: 0.15em;
}

.floating-banner-salary {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 0.05em;
    line-height: 1;
    color: #fff;
}

.floating-banner-arrow {
    color: #fff;
}

@media (max-width: 639px) {
    .floating-banner-salary-label {
        font-size: 11px;
    }
    .floating-banner-salary {
        font-size: 17px;
    }
}