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

body.page-service {
    margin: 0;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: #0b0b0b;
    color: #fff;
}

body.page-support {
    min-height: 100svh !important;
    overflow: hidden !important;
}

.support-page {
    min-height: 100svh;
    background: #0b0b0b;
    color: #fff;
    padding: calc(var(--identity-header-h, 90px) + 14px) 0 152px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.support-inner {
    width: min(1240px, calc(100% - 80px));
    margin: 0 auto;
}

.support-hero {
    width: 100%;
    padding: 0 0 54px;
    text-align: center;
}

.support-hero .support-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.support-hero h1 {
    margin: 0;
    color: #fff;
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0;
}

.support-hero-desc {
    width: 100%;
    max-width: 680px;
    margin: 12px auto 0;
    color: rgba(255, 255, 255, 0.66);
    font-size: 17px !important;
    font-weight: 400 !important;
    line-height: 1.8 !important;
    letter-spacing: normal !important;
    opacity: 1;
    text-align: center;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    border-left: 0;
}

.support-grid article {
    position: relative;
    overflow: hidden;
    min-height: auto;
    padding: 28px 28px;
    background: #fff;
    border: 0;
    outline: 1px solid transparent;
    border-radius: 8px;
    text-align: center;
    box-shadow: none;
    cursor: pointer;
    transition: background 0.24s ease, color 0.24s ease, outline-color 0.24s ease;
}

.support-grid article:hover {
    background: transparent;
    outline-color: #fff;
}

.support-grid article h2,
.support-grid article p {
    position: relative;
    z-index: 1;
}

.support-grid h2 {
    margin: 0 0 18px;
    color: #ff2c2c !important;
    font-size: clamp(18px, 1.55vw, 22px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0;
    word-break: keep-all;
}

.support-grid p {
    margin: 0;
    color: #0b0b0b;
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 400;
    line-height: 1.75;
    word-break: keep-all;
    text-align: center;
}

.support-grid article:hover h2 {
    color: #ff2c2c !important;
}

.support-grid article:hover p {
    color: #fff;
}

.support-rhythm {
    padding: 88px 0 0;
}

.support-rhythm h2,
.support-note h2 {
    margin: 0 0 28px;
    color: #fff;
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0;
}

.support-rhythm h2 {
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 600;
}

.support-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.support-steps div {
    min-height: auto;
    padding: 24px 24px;
    background: rgba(255, 255, 255, 0.028);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    text-align: center;
}

.support-steps span {
    display: block;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.support-steps p,
.support-note p {
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 300;
    line-height: 1.75;
    word-break: keep-all;
}

.support-note {
    width: 100%;
    padding: 30px 40px 0;
    text-align: center;
}

.support-note-text {
    display: inline-block;
    width: auto;
    max-width: none;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.62);
    font-size: clamp(12px, 0.9vw, 14px);
    font-weight: 300;
    line-height: 1.75;
    word-break: keep-all;
    text-align: center;
    white-space: nowrap;
}

.support-note-text span {
    display: inline-block;
    margin-right: 7px;
    color: rgba(255, 255, 255, 0.78);
    font-family: "Noto Sans Symbols 2", "Apple Symbols", "Segoe UI Symbol", Arial, sans-serif;
    font-size: 1.08em;
    font-weight: inherit;
    line-height: inherit;
    vertical-align: 0;
}

.support-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 40px;
    position: relative;
    z-index: 10;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 206px;
    padding: 16px 32px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 40px;
    font-size: 19px;
    font-weight: 550;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: none;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.support-btn::after {
    content: "";
    display: inline-block;
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    background: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M7%2017L17%207M9%207h8v8'%20fill='none'%20stroke='black'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M7%2017L17%207M9%207h8v8'%20fill='none'%20stroke='black'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
    transform: translateY(0.02em);
    transition: background 0.3s ease;
}

.support-btn:hover {
    background: #ff2c2c;
    border-color: transparent;
    color: #fff;
}

.support-page .fade-in-up {
    opacity: 0;
    transform: translateY(38px);
    animation-duration: 0.86s;
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.support-page .fade-in-up.animate {
    animation-name: supportFadeUp;
}

@keyframes supportFadeUp {
    0% {
        opacity: 0;
        transform: translateY(38px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.support-page .animate-delay-1 { animation-delay: 0.15s; }
.support-page .animate-delay-2 { animation-delay: 0.3s; }
.support-page .animate-delay-3 { animation-delay: 0.45s; }
.support-page .animate-delay-4 { animation-delay: 0.6s; }
.support-page .animate-delay-5 { animation-delay: 0.75s; }
.support-page .animate-delay-6 { animation-delay: 0.9s; }
.support-page .animate-delay-7 { animation-delay: 1.05s; }
.support-page .animate-delay-8 { animation-delay: 1.2s; }
.support-page .animate-delay-9 { animation-delay: 1.35s; }
.support-page .animate-delay-10 { animation-delay: 1.5s; }
.support-page .animate-delay-11 { animation-delay: 1.65s; }

.scroll-hint-overlay {
    position: fixed;
    left: 50%;
    bottom: 80px;
    z-index: 100005;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%);
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

body.page-support .scroll-hint-overlay {
    display: none !important;
}

.scroll-hint-overlay.visible {
    opacity: 1;
    visibility: visible;
}

@keyframes serviceFloating {
    0% { transform: translateY(0); }
    50% { transform: translateY(10px); }
    100% { transform: translateY(0); }
}

.scroll-hint-overlay .mouse-shape {
    position: relative;
    width: 26px;
    height: 42px;
    border: 2px solid #fff;
    border-radius: 13px;
    box-sizing: border-box;
    animation: serviceFloating 2s infinite ease-in-out;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 1)) drop-shadow(0 0 15px rgba(0, 0, 0, 0.9));
}

.scroll-hint-overlay .mouse-shape::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
}

.scroll-hint-overlay .mouse-shape::after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 12px;
    background: #fff;
    transform: translateX(-50%);
}

body.page-service .page-footer {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    background: rgba(10, 10, 10, 0.96) !important;
}

body.light-mode.page-service,
body.light-mode .support-page {
    background: #fcfcfc;
    color: #111;
}

body.light-mode .support-page {
    background: #fcfcfc;
}

body.light-mode .support-hero h1,
body.light-mode .support-rhythm h2 {
    color: #0b0b0b;
}

body.light-mode .support-grid h2 {
    color: #ff2c2c !important;
}

body.light-mode .support-hero-desc {
    color: rgba(0, 0, 0, 0.62);
}

body.light-mode .support-btn,
body.light-mode .support-btn:visited {
    background: transparent !important;
    border-color: rgba(11, 11, 11, 0.7) !important;
    color: #0b0b0b !important;
}

body.light-mode .support-btn:hover {
    background: #ff2c2c !important;
    border-color: transparent !important;
    color: #fff !important;
}

body.light-mode .support-steps div {
    border-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .support-steps div {
    background: rgba(0, 0, 0, 0.025);
}

body.light-mode .support-grid article {
    background: #f3f3f3;
    box-shadow: none;
}

body.light-mode .support-grid article p {
    color: #171717;
}

body.light-mode .support-grid article:hover {
    background: transparent;
    outline-color: #0b0b0b;
}

body.light-mode .support-grid article:hover h2 {
    color: #ff2c2c !important;
}

body.light-mode .support-grid article:hover p {
    color: #0b0b0b;
}

body.light-mode .support-grid p,
body.light-mode .support-steps p,
body.light-mode .support-note-text {
    color: rgba(0, 0, 0, 0.66);
}

body.light-mode .support-note-text span {
    color: rgba(0, 0, 0, 0.78);
}

body.light-mode .support-steps span {
    color: rgba(0, 0, 0, 0.86);
}

body.light-mode.page-service .page-footer {
    background: #f5f5f5 !important;
}

@media (max-width: 1279px) {
    body.page-support {
        min-height: 100%;
        overflow-x: hidden !important;
        overflow-y: auto !important;
    }

    .support-page {
        min-height: auto;
        justify-content: flex-start;
        padding-top: calc(var(--identity-header-h, 90px) + 48px);
        padding-bottom: 34px;
    }

    body.page-service .page-footer {
        position: relative !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
    }
}

@media (max-width: 1100px) {
    .support-grid,
    .support-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .support-page {
        padding-top: calc(var(--identity-header-h, 90px) + 46px);
        padding-bottom: 40px;
    }

    .support-inner {
        width: min(100% - 32px, 1080px);
    }

    .support-hero {
        padding-bottom: 44px;
    }

    .support-hero h1 {
        font-size: 48px;
    }

    .support-grid,
    .support-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .support-grid article,
    .support-steps div {
        min-height: auto;
        padding: 24px 18px;
    }

    .support-rhythm {
        padding-top: 64px;
    }

    .support-note-text {
        display: block;
        max-width: 620px;
        margin: 0 auto;
        white-space: normal;
    }

    .support-actions {
        width: min(100% - 32px, 440px);
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 10px !important;
        align-items: center;
    }

    .support-btn {
        width: auto;
        min-width: 0;
        max-width: none;
        flex: 1 1 0;
        padding: 14px 16px !important;
        font-size: 16px !important;
        white-space: nowrap;
    }
}

@media (max-width: 640px) {
    .support-hero-desc {
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    .support-hero h1 {
        font-size: 40px;
    }

    .support-btn {
        padding: 12px 10px !important;
        font-size: 14px !important;
    }

    .support-btn::after {
        width: 18px;
        height: 18px;
        flex-basis: 18px;
    }
}