/* style.css - TREPIX Official Website (Intellectual Minimalism) */

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Color Palette */
    --color-primary: #1a365d;
    /* Navy */
    --color-primary-light: #2b4c7e;
    /* Light Navy */
    --color-bg: #ffffff;
    /* White */
    --color-bg-alt: #f8f9fa;
    /* Light Gray */
    --color-text: #2d3748;
    /* Charcoal */
    --color-text-light: #4a5568;
    /* Medium Gray */
    --color-border: #e2e8f0;
    /* Borders */
    --color-line: #06C755;
    /* LINE Green */
    --color-line-hover: #05b04b;
    /* LINE Green Hover */

    /* Typography */
    --font-en: 'Inter', sans-serif;
    --font-ja: 'Noto Sans JP', sans-serif;

    /* Utilities */
    --transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 40px rgba(26, 54, 93, 0.06);
    --radius: 16px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-ja);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    letter-spacing: 0.03em;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.4;
    font-feature-settings: "palt";
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

em,
strong {
    font-weight: 700;
}

.hidden-sp {
    display: none;
}

@media (min-width: 769px) {
    .hidden-sp {
        display: inline;
    }
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Sections */
.section {
    padding: 120px 0;
}

.section--gray {
    background-color: var(--color-bg-alt);
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
}

/* Animations */
.js-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.js-fade-up.is-active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.15s;
}

.delay-2 {
    transition-delay: 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn--line-small {
    background-color: var(--color-line);
    color: #fff;
    padding: 10px 24px;
    font-size: 14px;
}

.btn--line-small i {
    margin-right: 6px;
    font-size: 16px;
}

.btn--line-small:hover {
    background-color: var(--color-line-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 199, 85, 0.3);
}

.btn--line-large {
    background-color: var(--color-line);
    color: #fff;
    padding: 18px 48px;
    font-size: 18px;
    box-shadow: 0 10px 20px rgba(6, 199, 85, 0.25);
    position: relative;
}

.btn--line-large i {
    font-size: 24px;
    margin-right: 12px;
}

.btn--line-large:hover {
    background-color: var(--color-line-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(6, 199, 85, 0.35);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(6, 199, 85, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(6, 199, 85, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(6, 199, 85, 0);
    }
}

.btn--pulse {
    animation: pulse 2s infinite;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0);
    transition: background 0.4s ease, backdrop-filter 0.4s ease, border-bottom 0.4s ease, padding 0.4s ease;
}

.header.is-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 5%;
    max-width: 1200px;
    margin: 0 auto;
    transition: padding 0.4s ease;
}

.header.is-scrolled .header__inner {
    padding: 12px 5%;
}

.header__logo {
    font-family: var(--font-en);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.header__nav {
    display: flex;
    align-items: center;
}

.header__menu {
    display: flex;
    gap: 36px;
    margin-right: 40px;
}

.header__menu a {
    font-size: 14px;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    color: var(--color-text);
}

.header__menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.header__menu a:hover {
    color: var(--color-primary);
}

.header__menu a:hover::after {
    width: 100%;
}

.header__toggle {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 101;
}

.header__toggle span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.header__toggle span:nth-child(1) {
    top: 0;
}

.header__toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.header__toggle span:nth-child(3) {
    bottom: 0;
}

@media (max-width: 850px) {
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    }

    .header__nav.is-open {
        right: 0;
    }

    .header__menu {
        flex-direction: column;
        text-align: center;
        margin-right: 0;
        margin-bottom: 40px;
        gap: 24px;
    }

    .header__menu a {
        font-size: 18px;
    }

    .header__toggle {
        display: block;
    }

    .header__toggle.is-active span:nth-child(1) {
        top: 50%;
        transform: rotate(45deg);
    }

    .header__toggle.is-active span:nth-child(2) {
        opacity: 0;
    }

    .header__toggle.is-active span:nth-child(3) {
        bottom: 45%;
        transform: rotate(-45deg);
    }

    .header {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
    }

    .header__inner {
        padding: 16px 5%;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__bg::after {
    content: '';
    position: absolute;
    width: 120vw;
    height: 120vw;
    top: -20vw;
    right: -30vw;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 60%);
    border-radius: 50%;
}

.hero__container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 680px;
}

.hero__badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: #fff;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: 0.1em;
    box-shadow: var(--shadow-sm);
}

.hero__title {
    font-size: 52px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 32px;
}

.hero__desc {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 48px;
    line-height: 1.9;
}

.hero__cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero__note {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 16px;
    margin-left: 20px;
    position: relative;
}

.hero__note::before {
    content: '※';
    position: absolute;
    left: -16px;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    z-index: 2;
}

.hero__scroll::after {
    content: '';
    width: 1px;
    height: 50px;
    background-color: var(--color-primary);
    margin-top: 12px;
    animation: scrollDown 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
    transform-origin: top;
}

@keyframes scrollDown {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    50.1% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 28px;
        line-height: 1.5;
    }

    .hero__desc {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .hero__content {
        text-align: left;
    }

    .hero__badge {
        margin-bottom: 24px;
        padding: 6px 16px;
        font-size: 12px;
    }

    .hero__note {
        margin-left: 16px;
        font-size: 12px;
    }

    .hero {
        min-height: 100vh;
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .hero__scroll {
        bottom: 20px;
    }

    .hero__scroll::after {
        height: 30px;
    }
}

/* Section Header */
.section__header {
    text-align: center;
    margin-bottom: 72px;
}

.section__title {
    font-family: var(--font-en);
    font-size: 40px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    position: relative;
    display: inline-block;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section__subtitle {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-top: 24px;
    letter-spacing: 0.1em;
}

.section__intro {
    margin-top: 24px;
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.8;
}

/* Philosophy */
.philosophy__content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.philosophy__text {
    flex: 1;
}

.philosophy__heading {
    font-size: 32px;
    color: var(--color-primary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.philosophy__text p {
    margin-bottom: 24px;
    color: var(--color-text-light);
}

.philosophy__image {
    flex: 1;
}

.image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: #cbd5e1;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 900px) {
    .philosophy__content {
        flex-direction: column;
        gap: 40px;
    }

    .philosophy__heading {
        font-size: 26px;
    }

    .philosophy__image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .image-placeholder {
        aspect-ratio: 16/9;
        font-size: 60px;
    }
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    background: #fff;
    padding: 48px 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 54, 93, 0.15);
}

.service-card__icon {
    width: 72px;
    height: 72px;
    background: rgba(26, 54, 93, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-primary);
    margin-bottom: 32px;
    transition: var(--transition);
}

.service-card:hover .service-card__icon {
    background-color: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
}

.service-card__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card__desc {
    font-size: 15px;
    color: var(--color-text-light);
}

@media (max-width: 900px) {
    .services__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .service-card {
        padding: 32px 24px;
    }
}

/* Works */
.works__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.work-card {
    display: block;
    flex: 1 1 300px;
    max-width: 400px;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.work-card__image {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
    background: #f1f5f9;
}

.work-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.work-card:hover .work-card__image img {
    transform: scale(1.05);
}

.work-card__body {
    padding: 32px 24px;
}

.work-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.work-card__desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.work-card__link {
    display: inline-flex;
    align-items: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 700;
}

.work-card__link i {
    margin-left: 6px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.work-card:hover .work-card__link i {
    transform: translateX(4px);
}

.works__more {
    text-align: center;
    margin-top: 40px;
}

@media (max-width: 900px) {
    .works__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 600px) {
    .works__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .work-card {
        max-width: 100%;
    }

    .work-card__body {
        padding: 24px 20px;
    }
}

/* Pricing Section */
.pricing__table-container {
    position: relative;
    margin-bottom: 80px;
}

/* スクロール可能なことを示すヒント（スマホ用） */
.pricing__table-container::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(to left, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 0 var(--radius) var(--radius) 0;
}

@media (max-width: 850px) {
    .pricing__table-container::after {
        opacity: 1;
    }
}

.pricing__table-wrapper {
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--color-border);
    -webkit-overflow-scrolling: touch;
}

.pricing__table {
    width: 100%;
    min-width: 800px;
    border-collapse: collapse;
}

.pricing__table th,
.pricing__table td {
    padding: 32px 24px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid rgba(226, 232, 240, 0.5);
}

.pricing__table th:last-child,
.pricing__table td:last-child {
    border-right: none;
}

.pricing__table thead th {
    background-color: #fff;
    font-weight: 700;
    font-size: 20px;
    padding: 40px 24px;
    position: relative;
    border-bottom: 2px solid var(--color-border);
}

.pricing__table tbody th {
    background-color: #fafbfc;
    text-align: left;
    font-weight: 700;
    width: 22%;
    color: var(--color-primary);
}

.plan-standard {
    color: var(--color-primary);
    border-top: 6px solid var(--color-primary) !important;
    background-color: #f8faff !important;
}

.plan-entry,
.plan-custom {
    border-top: 6px solid transparent;
}

.recommended {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    padding: 6px 20px;
    border-radius: 30px;
    font-weight: 700;
    letter-spacing: 0.1em;
    box-shadow: 0 4px 10px rgba(26, 54, 93, 0.2);
}

td.highlight {
    background-color: #f8faff;
}

.note {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 400;
}

.price-row td {
    font-size: 32px;
    color: var(--color-primary);
}

.price-row .price-highlight {
    font-size: 36px;
    color: #e53e3e;
    font-weight: 700;
}

@media (max-width: 768px) {

    .pricing__table th,
    .pricing__table td {
        padding: 20px 16px;
        font-size: 14px;
        min-width: 120px;
    }

    .pricing__table thead th {
        font-size: 16px;
        padding: 24px 16px;
    }

    .pricing__table tbody th {
        min-width: 90px;
        font-size: 13px;
        padding: 16px 12px;
    }

    .price-row td {
        font-size: 20px;
        font-weight: 700;
    }

    .price-row .price-highlight {
        font-size: 24px;
    }

    .note {
        font-size: 11px;
    }

}

@media (max-width: 768px) {

    .pricing__table th,
    .pricing__table td {
        padding: 20px 16px;
        font-size: 14px;
    }

    .pricing__table thead th {
        font-size: 16px;
        padding: 24px 16px;
    }

    .pricing__table tbody th {
        min-width: 100px;
    }

    .price-row td {
        font-size: 24px;
    }

    .price-row .price-highlight {
        font-size: 28px;
    }

    .note {
        font-size: 11px;
    }
}

/* Discount & Growth Boxes */
.discount-box,
.growth-box {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 56px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.discount-box:hover,
.growth-box:hover {
    box-shadow: var(--shadow-md);
}

.discount-box__title,
.growth-box__title {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 16px;
}

.discount-box__title i,
.growth-box__title i {
    background: rgba(26, 54, 93, 0.05);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.discount-box__desc {
    margin-bottom: 32px;
    color: var(--color-text-light);
}

.discount-box__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.discount-item {
    background: #f8f9fa;
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.discount-item:hover {
    background: #f1f5f9;
}

.discount-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.discount-price {
    font-size: 28px;
    font-weight: 700;
    color: #e53e3e;
    margin-bottom: 16px;
}

.discount-item p {
    font-size: 15px;
    color: var(--color-text-light);
}

.growth-box__list {
    list-style: none;
    margin-top: 32px;
}

.growth-box__list li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 24px;
    color: var(--color-text-light);
}

.growth-box__list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--color-primary);
    font-size: 14px;
}

.growth-box__list strong {
    color: var(--color-text);
    display: block;
    margin-bottom: 4px;
}

@media (max-width: 768px) {

    .discount-box,
    .growth-box {
        padding: 32px 24px;
    }

    .discount-box__list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .discount-item {
        padding: 24px;
    }
}

/* Rules */
.rules__box {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 60px 48px;
    box-shadow: var(--shadow-sm);
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.rules__icon {
    position: absolute;
    top: -36px;
    left: 50%;
    transform: translateX(-50%);
    width: 72px;
    height: 72px;
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 10px 20px rgba(26, 54, 93, 0.3);
}

.rules__box h3 {
    font-size: 24px;
    margin-bottom: 40px;
    color: var(--color-primary);
}

.rules__list {
    text-align: left;
    display: inline-block;
    width: 100%;
}

.rules__list li {
    padding-left: 40px;
    position: relative;
    margin-bottom: 24px;
    line-height: 1.7;
    color: var(--color-text);
}

.rules__list li::before {
    content: '\f12a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0;
    color: #fff;
    background: var(--color-primary);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.rules__list .note {
    display: block;
    margin-top: 8px;
    background: #f8f9fa;
    padding: 12px;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .rules__box {
        padding: 50px 24px 32px;
    }
}

/* Contact */
.contact__card {
    background: linear-gradient(135deg, var(--color-primary) 0%, #152945 100%);
    border-radius: 32px;
    padding: 80px 40px;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.contact__card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 50%);
    pointer-events: none;
}

.contact__header {
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.contact__subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
    letter-spacing: 0.1em;
}

.contact__title {
    font-family: var(--font-en);
    font-size: 40px;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.contact__body {
    position: relative;
    z-index: 1;
}

.contact__text {
    font-size: 18px;
    margin-bottom: 16px;
    line-height: 1.8;
}

.contact__btn-wrapper {
    margin: 48px 0;
}

.contact__note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .contact__card {
        padding: 48px 24px;
        border-radius: 24px;
    }

    .contact__text {
        font-size: 15px;
    }
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: #fff;
    padding: 80px 0 24px;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.footer__copy {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 8px;
}

.footer__links {
    display: flex;
    gap: 32px;
}

.footer__links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer__links a:hover {
    color: #fff;
}

.footer__copyright {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    font-family: var(--font-en);
}

@media (max-width: 768px) {
    .footer__inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .footer__links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }
}

/* Sticky Mobile Button */
.sticky-line-btn {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 99;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.sticky-line-btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-line);
    color: #fff;
    text-align: center;
    padding: 16px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.05em;
}

.sticky-line-btn a i {
    margin-right: 8px;
    font-size: 22px;
}

@media (max-width: 768px) {
    .sticky-line-btn {
        display: block;
    }

    body {
        padding-bottom: 60px;
    }
}