/* ===== 繝ｪ繧ｻ繝・ヨ繝ｻ繝吶・繧ｹ ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

@import url('https://fonts.googleapis.com/css2?family=BIZ+UDMincho:wght@400;700&family=Noto+Sans+JP:wght@400;500;700;900&family=Noto+Serif+JP:wght@400;700;900&family=Klee+One:wght@600&family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap');

html {
    font-size: clamp(13px, 3.5vw, 16px);
}

html,
body {
    margin: 0;
    padding: 0;
    background: #e0f2f1;
    min-height: 100dvh;
}

#app-root {
    font-family: "BIZ UDMincho", "UD Digi Kyokasho NK-B", "Klee One", "Noto Serif JP", serif;
    font-weight: 950;
    min-height: 100dvh;
    background: linear-gradient(135deg, #e0f2f1 0%, #b2ebf2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 36px 18px !important;
    color: #37474f !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden;
    font-size: clamp(13px, 4.5vw, 18px) !important;
    line-height: 1.6 !important;
}

#app-root * {
    box-sizing: border-box;
}

#app-root p,
#app-root div,
#app-root span,
#app-root h1,
#app-root h2,
#app-root h3 {
    margin: 0;
    padding: 0;
}

/* ===== 逕ｻ髱｢蛻・ｊ譖ｿ縺・===== */
.screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100dvh;
    overflow: visible;
    padding: 18px;
    width: 100%;
    max-width: 800px;
    animation: fadeIn 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 繧ｫ繝ｼ繝・===== */
.card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 32px;
    padding: 36px 45px !important;
    width: 100% !important;
    box-shadow: 0 12px 40px rgba(33, 150, 243, 0.15), 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px !important;
    margin: auto 0;
    position: relative;
}

/* ===== 繧ｿ繧､繝医Ν ===== */
.author-info {
    font-size: 15px !important;
    color: #546e7a;
    font-weight: 700;
    margin-bottom: 24px !important;
    text-align: center;
    line-height: 1.4;
}

.title-catchcopy {
    font-size: 20px !important;
    color: #fb8c00;
    font-weight: 900;
    text-align: center;
    margin-bottom: 0;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.title-target {
    font-size: clamp(18px, 5vw, 27px) !important;
    color: #0277bd;
    font-weight: 950;
    text-align: center;
    margin-bottom: -5px !important;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.app-title {
    font-size: clamp(48px, 10vw, 81px) !important;
    font-weight: 950;
    background: linear-gradient(135deg, #1565c0 0%, #42a5f5 50%, #1565c0 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
    margin-bottom: 30px !important;
    filter: drop-shadow(2px 4px 6px rgba(13, 71, 161, 0.3));
    text-align: center;
    line-height: 1.1;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.title-footer {
    margin-top: 45px !important;
    text-align: center;
    font-size: 14px;
    color: #546e7a;
    padding-bottom: 27px;
}

/* ===== 繝懊ち繝ｳ ===== */
.btn {
    width: 100% !important;
    padding: 18px 27px !important;
    border: none;
    border-radius: 16px;
    font-size: clamp(14px, 4.5vw, 20px) !important;
    font-weight: 900;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
    text-decoration: none;
}

.btn-main-text {
    font-size: clamp(20px, 5.5vw, 33px) !important;
    /* 1.5蛟阪↓諡｡螟ｧ */
    font-weight: 950;
    line-height: 1.2;
    display: block;
    white-space: nowrap;
    /* 謾ｹ陦後＆縺帙↑縺・*/
}

.btn-sub-text {
    font-size: 15px !important;
    font-weight: 950;
    display: block;
    opacity: 0.9;
    margin-top: 6px !important;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover::after {
    opacity: 1;
}

/* 繝懊ち繝ｳ鄒､縺ｮ繝ｩ繝・ヱ繝ｼ */
.title-buttons {
    display: flex;
    flex-direction: column;
    gap: 24px !important;
    width: 100% !important;
    margin-top: 10px;
}

/* 繝励Λ繧､繝槭Μ繝懊ち繝ｳ (竭) */
.btn-primary {
    background: linear-gradient(135deg, #29b6f6 0%, #039be5 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(41, 182, 246, 0.4);
}

@media (hover: hover) {
    .btn-primary:hover:not(:disabled) {
        transform: translateY(-3px) scale(1.02);
        box-shadow: 0 8px 25px rgba(41, 182, 246, 0.5);
    }
}

/* 霑第律蜈ｬ髢九・繧ｿ繝ｳ (竭｡) */
.btn-coming-soon {
    background: rgba(207, 216, 220, 0.6);
    color: #78909c;
    border: 2px dashed #b0bec5;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.btn-coming-soon .btn-main-text {
    color: #78909c;
}

.btn-coming-soon .btn-sub-text {
    color: #90a4ae;
}

.btn-coming-soon::after {
    display: none;
}

/* 繧ｹ繝槭・逕ｨ謾ｹ陦・*/
.mobile-br {
    display: none;
}

@media screen and (max-width: 480px) {
    #app-root {
        padding: 12px 8px !important;
    }

    .screen {
        padding: 8px 4px;
    }

    .app-title {
        font-size: 48px !important;
        margin-bottom: 27px !important;
    }

    .title-target {
        font-size: 20px !important;
    }

    .btn-main-text {
        font-size: 7vw !important;
        /* 繝｢繝舌う繝ｫ縺ｧ繧ら判髱｢蟷・↓霑ｽ蠕薙＠縺ｦ譛€螟ｧ蛹悶・謾ｹ陦碁亟豁｢ */
    }

    .btn-sub-text {
        font-size: 13px !important;
    }

    .mobile-br {
        display: inline;
    }

    .card {
        padding: 24px 20px !important;
        gap: 16px !important;
        border-radius: 24px;
    }

    .title-buttons {
        gap: 16px !important;
    }

    .inquiry-text {
        text-align: left !important;
    }
}