*,
*::before,
*::after {
    box-sizing: border-box;

    margin: 0;
    padding: 0;
}

html, body {
    background-color: #f8f8f8;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: normal;

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;

    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;

    -webkit-user-select: none;
    user-select: none;

    overscroll-behavior: none;

    scrollbar-width: none;
}

::-webkit-scrollbar {
    display: none;
}

header {
    width: 100%;
    height: 128px;

    background-color: rgba(248, 248, 248, 0.8);

    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);

    padding: 0 32px;
    box-sizing: border-box;

    display: flex;
    align-items: center;

    position: fixed;
    top: 0;
    left: 0;

    z-index: 10240;
}

.header-left-box {
    border-radius: 32px;

    height: 64px;

    background-color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: right;

    flex: 1;
    min-width: 0;
}

.header-left-content-box {
    width: 516px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: left;

    margin-right: 20px;
}

.header-left-content-box a {
    color: #000000;

    text-decoration: none;
}

.logo {
    border-radius: 18px;

    width: 112px;
    height: 36px;

    background: radial-gradient(circle, #fef6e4 8%, transparent 100%);

    display: flex;
    align-items: center;
    justify-content: center;

    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.5) rotate(-15deg);
}

.header-center-box {
    border-radius: 50%;

    width: 88px;
    height: 88px;

    background: #ffffff;

    margin-left: 20px;
    margin-right: 20px;

    flex-shrink: 0;
}

.header-center-box img {
    width: 88px;
    height: 88px;

    object-fit: cover;

    transition: transform 0.3s ease;
}

.header-center-box img:hover {
    animation: rotateAnimation 3s linear infinite;
}

@keyframes rotateAnimation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.header-right-box {
    border-radius: 32px;

    height: 64px;

    background-color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: left;

    flex: 1;
    min-width: 0;
}

.header-right-content-box {
    width: 516px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: right;

    margin-left: 20px;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;
}

.nav-links a {
    border-radius: 18px;

    height: 36px;
    line-height: 36px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding-left: 18px;
    padding-right: 18px;

    color: #000000;

    text-decoration: none;

    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-links a:hover {
    background-color: #f8f8f8;

    color: #000000;
}

.language-selector {
    border-radius: 50%;

    width: 36px;
    height: 36px;

    background-color: #f8f8f8;

    display: flex;
    justify-content: center;
    align-items: center;

    cursor: pointer;

    position: relative;
}

.language-dropdown {
    border-radius: 24px;

    width: 166px;
    height: auto;

    padding-bottom: 4px;

    background-color: #ffffff;

    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);

    display: none;
    justify-content: center;
    align-items: center;

    cursor: auto;

    position: absolute;
    top: 50px;
    right: 0;

    z-index: 999;
}

.default-language {
    background: linear-gradient(to right, transparent, #e0e0e0 50%, #e0e0e0 50%, transparent);
}

.language-content-box {
    border-radius: 24px;

    width: 158px;
    height: auto;

    background-color: #ffffff;
}

.language-content-box a {
    border-radius: 22px;

    width: 158px;
    height: 44px;

    margin-top: 4px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: #000000;
    text-decoration: none;
}

.language-option-box {
    border-radius: 22px;

    width: 158px;
    height: 44px;

    display: flex;
    align-items: center;
}

.language-option-inner-box {
    border-radius: 22px;

    width: 158px;
    height: 44px;

    display: flex;
    align-items: center;
}

.language-code {
    border-radius: 50%;

    width: 32px;
    height: 32px;

    margin-left: 6px;

    display: flex;
    justify-content: center;
    align-items: center;
}

.language-name {
    border-radius: 16px;

    width: 108px;
    height: 32px;

    margin-left: 6px;

    display: flex;
    justify-content: left;
    align-items: center;
}

main {
    margin-top: 128px;

    display: flex;
    justify-content: center;

    flex-wrap: wrap;

    padding: 0 32px;

    box-sizing: border-box;
}

.main-section {
    border-radius: 32px;

    width: 1200px;

    min-width: 280px;

    background-color: #ffffff;

    padding: 20px 0 20px;
}

.hero {
    min-width: 240px;

    text-align: center;

    padding: 0 20px;
}

.hero h1 {
    margin-bottom: 20px;

    font-size: clamp(36px, 5vw, 56px);

    font-weight: 700;

    color: #0f172a;

    line-height: 1.1;
    letter-spacing: -0.025em;

    background: none;
    -webkit-text-fill-color: initial;
}

.hero-underline {
    position: relative;
    display: inline-block;
    isolation: isolate;
}

.hero-subtitle .hero-underline {
    white-space: nowrap;
}

.hero-underline-title {
    max-width: 100%;
    white-space: normal;
    color: transparent;
    background: linear-gradient(270deg, #ff0000, #ff9900, #ffff00, #33cc33, #3399ff, #9900ff, #ff0099, #ff0000);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbow 8s ease infinite;
}

.hero-underline::after {
    content: "";
    position: absolute;
    left: -0.08em;
    right: -0.08em;
    bottom: 0.04em;
    z-index: -1;
    height: 0.38em;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(242, 153, 74, 0), rgba(242, 153, 74, 0.34), rgba(53, 182, 130, 0.24), rgba(242, 153, 74, 0));
    opacity: 0.72;
    transform: scaleX(0.92) rotate(-0.6deg);
    transform-origin: center;
    transition: transform 0.28s ease, opacity 0.28s ease;
}

.hero-underline-title::after {
    bottom: -0.11em;
    height: 0.16em;
    opacity: 0.9;
    transform: scaleX(0.9) rotate(-1.2deg);
}

.hero-underline-title::before {
    content: "";
    position: absolute;
    right: -0.28em;
    bottom: -0.18em;
    width: 0.22em;
    height: 0.22em;
    border-radius: 50%;
    background: rgba(242, 153, 74, 0.74);
    box-shadow: 0.34em -0.06em 0 rgba(53, 182, 130, 0.5);
    opacity: 0.86;
}

.hero:hover .hero-underline::after {
    opacity: 1;
    transform: scaleX(1) rotate(-0.6deg);
}

.hero:hover .hero-underline-title::after {
    transform: scaleX(1) rotate(-1.2deg);
}

@keyframes rainbow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.hero-subtitle {
    max-width: 1160px;
    min-width: 240px;

    margin-left: auto;
    margin-right: auto;

    font-size: 20px;

    color: #475569;

    line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
    .hero-underline::after {
        transition: none;
    }
}


.container {
    max-width: 1200px;

    margin: 0 auto;
    padding: 0 20px;
}

.features {
    border-radius: 32px;

    width: 1200px;

    background-color: #ffffff;

    padding: 20px 0;
    margin-bottom: 32px;
}

.features h2 {
    margin-bottom: 20px;

    text-align: center;
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.025em;
}

.features-subtitle {
    max-width: 600px;

    margin-bottom: 60px;

    margin-left: auto;
    margin-right: auto;

    text-align: center;
    font-size: 20px;
    color: #475569;
    font-weight: 400;
    line-height: 1.6;
}

.features-grid {
    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

    gap: 24px;
}

.feature-card {
    border-radius: 24px;

    background: #ffffff;

    padding: 32px 24px;

    text-align: center;

    transition: transform 0.3s ease, box-shadow 0.3s ease;

    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);

    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 40px;

    margin-bottom: 20px;

    display: block;

    opacity: 0.9;
}

.feature-card h3 {
    margin-bottom: 12px;

    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
    letter-spacing: -0.025em;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #64748b;
}

.faq {
    border-radius: 32px;

    width: 1200px;

    background-color: #ffffff;

    padding: 20px 0;

    text-align: center;
}

.faq h2 {
    margin-bottom: 40px;

    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #1e293b;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.faq-item:hover {
    background: linear-gradient(270deg, #d96b6b, #d9a96b, #d9d96b, #6bd96b, #6baed9, #9b6bd9);

    background-size: 400% 400%;

    -webkit-background-clip: text;
    background-clip: text;

    -webkit-text-fill-color: transparent;

    animation: rainbow 8s ease infinite;
}

.faq-item h3 {
    margin-bottom: 12px;

    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
}

.more-tools {
    border-radius: 32px;

    width: 1200px;

    background: #ffffff;

    margin-bottom: 32px;

    padding: 20px 0;

    text-align: center;
}

.more-tools h2 {
    margin-bottom: 20px;

    font-size: 32px;
    font-weight: 700;

    color: #1e293b;

    background: linear-gradient(270deg, #ff0000, #ff9900, #ffff00, #33cc33, #3399ff, #9900ff, #ff0099, #ff0000);

    background-size: 400% 400%;

    -webkit-background-clip: text;
    background-clip: text;

    -webkit-text-fill-color: transparent;

    animation: rainbow 8s ease infinite;
}

.tools-grid {
    display: grid;

    gap: 18px;

    grid-template-columns: minmax(0, 1fr);

    width: min(100%, 760px);

    margin: 0 auto;

    padding: 18px 28px 26px 12px;

    position: relative;
    isolation: isolate;
    perspective: 900px;

    transform: rotate(-1.4deg);
}

.tools-grid::before {
    content: "";
    position: absolute;
    inset: 9px 26px 3px 2px;
    border-radius: 24px;
    background: radial-gradient(ellipse at 86% 18%, rgba(242, 153, 74, 0.16), transparent 30%),
    radial-gradient(ellipse at 16% 84%, rgba(53, 182, 130, 0.11), transparent 34%),
    linear-gradient(118deg, rgba(255, 255, 255, 0.22), rgba(15, 23, 42, 0.025) 48%, rgba(242, 153, 74, 0.04));
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.04);
    transform: rotate(3deg) skewX(-5deg) translateZ(-1px);
    pointer-events: none;
    z-index: -2;
}

.tools-grid::after {
    content: "";
    position: absolute;
    right: 18px;
    bottom: 13px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(242, 153, 74, 0.72);
    box-shadow: -96px -98px 0 rgba(53, 182, 130, 0.18),
    -46px -132px 0 rgba(242, 153, 74, 0.18),
    -168px -42px 0 rgba(15, 23, 42, 0.09),
    -244px -106px 0 rgba(53, 182, 130, 0.11),
    -335px -24px 0 rgba(242, 153, 74, 0.13);
    opacity: 0.68;
    transform: rotate(22deg) translate3d(0, 0, 0);
    animation: tools-field-pulse 4.8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.tool-item {
    border-radius: 24px;

    min-height: 142px;

    background: radial-gradient(ellipse at 88% 50%, rgba(255, 205, 77, 0.2), transparent 26%),
    radial-gradient(ellipse at 103% -18%, rgba(53, 182, 130, 0.13), transparent 35%),
    linear-gradient(126deg, #ffffff 0%, #fbfbfb 42%, #fffaf0 100%);

    border: 0;

    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);

    padding: 28px 126px 28px 30px;

    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;

    text-decoration: none;

    position: relative;
    overflow: hidden;
    z-index: 1;

    transform: translateX(18px) rotate(1.4deg);

    transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.tool-item::before {
    content: "";
    position: absolute;
    top: 50%;
    right: 31px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: radial-gradient(circle at 36% 30%, rgba(255, 255, 255, 0.96) 0 10%, rgba(255, 226, 128, 0.96) 11% 45%, rgba(242, 153, 74, 0.94) 46% 100%);
    box-shadow: inset -8px -9px 14px rgba(128, 80, 28, 0.14),
    inset 5px 5px 12px rgba(255, 255, 255, 0.34),
    0 18px 34px rgba(242, 153, 74, 0.19);
    transform: translateY(-50%) rotate(-14deg) translateZ(24px);
    animation: tool-coin-float 5.4s ease-in-out infinite;
    transition: transform 0.34s ease;
}

.tool-item::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 80px;
    width: 152px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(242, 153, 74, 0), rgba(242, 153, 74, 0.34), rgba(53, 182, 130, 0.2), rgba(242, 153, 74, 0));
    transform: translateY(-50%) rotate(-13deg) scaleX(0.9);
    opacity: 0.66;
    transition: transform 0.34s ease, opacity 0.28s ease;
}

.tool-item h3::before {
    content: "";
    position: absolute;
    top: -38px;
    right: -150px;
    width: 138px;
    height: 138px;
    border-radius: 42% 58% 48% 52% / 54% 44% 56% 46%;
    background: rgba(242, 153, 74, 0.07);
    z-index: -1;
}

.tool-item h3,
.tool-item p {
    position: relative;
    z-index: 1;
}

.tool-item h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(242, 153, 74, 0.58), rgba(53, 182, 130, 0.24));
}

.tool-item h3 {
    margin-bottom: 10px;

    font-size: 22px;
    font-weight: 700;

    color: #1e293b;
}

.tool-item p {
    font-size: 15px;

    line-height: 1.6;

    color: #64748b;

    text-align: left;
}

.tool-item:hover {
    transform: translateX(10px) translateY(-5px) rotate(0.35deg);
    box-shadow: 0 24px 52px rgba(15, 23, 42, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.tool-item:hover::before {
    animation: none;
    transform: translateY(-50%) rotate(16deg) translateZ(36px) scale(1.06);
}

.tool-item:hover::after {
    opacity: 1;
    transform: translateY(-50%) rotate(-8deg) scaleX(1.08);
}

@keyframes tools-field-pulse {
    0%, 100% {
        opacity: 0.46;
        transform: rotate(22deg) translate3d(0, 0, 0);
    }

    50% {
        opacity: 0.82;
        transform: rotate(22deg) translate3d(-7px, -5px, 0);
    }
}

@keyframes tool-coin-float {
    0%, 100% {
        transform: translateY(-50%) rotate(-14deg) translateZ(24px);
    }

    50% {
        transform: translateY(calc(-50% - 5px)) rotate(-5deg) translateZ(24px);
    }
}

@media (max-width: 520px) {
    .tools-grid {
        padding: 10px 0 18px;
        transform: none;
    }

    .tools-grid::before {
        inset: 6px 12px 0;
        border-radius: 24px;
        transform: rotate(1deg);
    }

    .tools-grid::after {
        right: 16px;
        bottom: 8px;
    }

    .tool-item {
        border-radius: 24px;
        min-height: 118px;
        padding: 24px 96px 24px 22px;
        transform: none;
    }

    .tool-item::before {
        right: 24px;
        width: 50px;
        height: 50px;
    }

    .tool-item::after {
        right: 58px;
        width: 92px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tools-grid::after,
    .tool-item::before {
        animation: none;
    }
}

footer {
    min-height: 128px;
    height: auto;

    padding: 0 32px;

    display: flex;
    align-items: center;

    box-sizing: border-box;
}

.footer-center-box {
    border-radius: 32px;

    min-height: 64px;
    height: auto;

    background-color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: center;

    flex: 1;
    min-width: 0;

    padding: 10px 16px;
    box-sizing: border-box;
}

.footer-text-box {
    border-radius: 32px;

    min-height: 44px;

    background: linear-gradient(145deg, rgba(255, 248, 238, 0.82), rgba(240, 249, 246, 0.78));
    background-size: 180% 180%;
    background-position: 0% 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    max-width: 100%;

    padding: 6px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.footer-text-box p {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 10px;

    max-width: 100%;

    color: #64748b;
    font-size: 14px;
    line-height: 1.4;
}

.footer-brand-line {
    border-radius: 999px;

    min-height: 32px;

    background: rgba(255, 255, 255, 0.72);
    color: #6f6256;

    padding: 0 12px;

    display: inline-flex;
    align-items: center;

    font-weight: 600;
    white-space: nowrap;
}

.footer-link-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;

    min-width: 0;
}

.footer-text-box a {
    border-radius: 999px;

    min-height: 30px;

    background-color: rgba(255, 255, 255, 0.66);
    color: #64748b;

    padding: 0 10px;

    display: inline-flex;
    align-items: center;

    font-size: 13px;
    text-decoration: none;
    white-space: nowrap;

    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.footer-text-box a:hover {
    background-color: #ffffff;
    color: #334155;
    transform: translateY(-1px);
}

.footer-link-line a:nth-child(3n + 1) {
    background-color: rgba(255, 242, 222, 0.78);
    color: #9a6b45;
}

.footer-link-line a:nth-child(3n + 2) {
    background-color: rgba(234, 248, 244, 0.82);
    color: #4f7b73;
}

.footer-link-line a:nth-child(3n) {
    background-color: rgba(240, 244, 255, 0.8);
    color: #5f6f95;
}

.footer-link-line a[href^="mailto:"] {
    background-color: rgba(253, 244, 255, 0.86);
    color: #8a5b94;
}

@media (max-width: 1303.98px) {
    .header-left-content-box {
        margin-left: 20px;
    }

    .header-right-content-box {
        margin-right: 20px;
    }
}

@media (min-width: 768px) and (max-width: 1263.98px) {
    header {
        padding: 0 32px;
    }

    main {
        padding: 0 32px;
    }

    footer {
        padding: 0 32px;
    }
}

@media (max-width: 911.98px) {
    .nav-links {
        gap: 0;
    }

    .nav-links a {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 859.98px) {
    .nav-links a {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media (max-width: 767.98px) {
    html, body {
        font-size: 14px;
    }

    header {
        padding: 0 14px;
    }

    main {
        padding: 0 14px;
    }

    footer {
        padding: 0 14px;
    }

    .footer-center-box {
        border-radius: 28px;
        padding: 10px;
    }

    .footer-text-box {
        border-radius: 24px;
        width: 100%;
        background: transparent;
        padding: 8px;
        box-shadow: none;
    }

    .footer-text-box p {
        flex-direction: column;
        gap: 8px;
    }

    .footer-brand-line {
        order: 2;
    }

    .footer-link-line {
        order: 1;
        width: 100%;
    }

    .header-left-box {
        order: 2;

        justify-content: left;
    }

    .header-left-content-box {
        margin-left: 20px;
    }

    .header-center-box {
        order: 1;

        margin-left: 0;
    }

    .logo {
        margin-left: 0;
    }

    .header-right-box {
        order: 3;

        margin-left: 14px;

        flex: 0 0 auto;

        width: 64px;
    }

    .header-right-content-box {
        margin-left: 14px;
    }

    .nav-links > a {
        display: none;
    }
}

@media (min-width: 375px) and (max-width: 767.98px) {
    header {
        padding: 0 12px;
    }

    main {
        padding: 0 12px;
    }

    footer {
        padding: 0 12px;
    }
}

@media (max-width: 374.98px) {
    header {
        padding: 0 7px;
    }

    main {
        padding: 0 7px;
    }

    footer {
        padding: 0 7px;
    }

    .footer-text-box a {
        padding: 0 8px;
        font-size: 12px;
    }

    .footer-brand-line {
        font-size: 13px;
    }
}