/* ============================================
   Mind Weather — Master Style Sheet
   PC크게 / 모바일작게 / 스크롤없는 단일화면
   ============================================ */

/* ── Google Fonts 적용 ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;700;900&family=Noto+Sans+KR:wght@400;700;900&display=swap');

/* ── 디자인 토큰 ── */
:root {
    --bg: linear-gradient(145deg, #FDFBF4 0%, #FFF8DC 100%);
    --primary:    #FFB347;
    --primary-dk: #FF8C00;
    --accent:     #FFE0B2;
    --text-main:  #3A3A3A;
    --text-sub:   #8A8A8A;
    --card-bg:    rgba(255, 255, 255, 0.95);
    --card-border: rgba(255, 179, 71, 0.18);
    --card-shadow: 0 20px 50px rgba(255, 150, 30, 0.1);
    --radius-card: 28px;
    --radius-btn:  50px;
}

/* ── 리셋 ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }

body {
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    background: var(--bg);
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: stretch;
    color: var(--text-main);
    overflow: hidden;
}

/* ── 앱 컨테이너 ── */
#app-container {
    width: 100%;
    max-width: 480px;       /* 모바일 기본 */
    height: 100dvh;
    max-height: 100dvh;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg);
}

/* ── 공통 헤더 ── */
#app-header {
    height: 60px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    background: transparent;
}

.header-logo-img {
    height: 28px;
    width: auto;
}

.header-logo-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}

/* ── 섹션 공통 ── */
section {
    display: none;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    width: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    animation: fadeIn 0.35s ease-out;
}

section::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

section.active { display: flex; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────── */
/* 화면 ①: 랜딩                               */
/* ─────────────────────────────────────────── */
#landing-screen {
    position: relative;
    height: 100dvh;
    flex-grow: 0;
    cursor: pointer;
}

.landing-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.landing-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 60px 30px 40px;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.35) 0%,
        rgba(0,0,0,0.0) 45%,
        rgba(0,0,0,0.55) 100%
    );
}

.landing-top {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.landing-logo-img {
    height: 36px;
    width: auto;
    filter: brightness(10);  /* 흰색으로 */
}

.landing-title {
    font-size: 36px;
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.landing-sub {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    font-weight: 400;
}

.landing-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.8);
    font-size: 14px;
}

.hint-bounce {
    font-size: 22px;
    animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

/* ─────────────────────────────────────────── */
/* 화면 ②: 대기(시작) 화면                     */
/* ─────────────────────────────────────────── */
#start-screen {
    justify-content: center;
    padding: 0 20px 100px;  /* 하단 nav 여백 */
}

.content-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 35px 28px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.intro-image-wrapper {
    width: 170px;
    height: 170px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    flex-shrink: 0;
}

.intro-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2.5px;
    margin-bottom: 10px;
}

.start-title {
    font-size: 26px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 12px;
}

.start-desc {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* ─────────────────────────────────────────── */
/* 공통 버튼                                   */
/* ─────────────────────────────────────────── */
.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dk) 100%);
    color: #fff;
    border: none;
    padding: 18px 30px;
    border-radius: var(--radius-btn);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 22px rgba(255, 140, 0, 0.32);
    transition: all 0.25s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 140, 0, 0.42);
}

.primary-btn:active { transform: translateY(0); }

/* ─────────────────────────────────────────── */
/* 화면 ③: 테스트 화면                         */
/* ─────────────────────────────────────────── */
#question-screen {
    justify-content: center;
    padding: 0 20px 100px;
}

.question-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    width: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    overflow-y: auto;
}

.progress-bar-container {
    width: 100%;
    height: 5px;
    background: rgba(0,0,0,0.06);
    border-radius: 10px;
    margin-bottom: 24px;
    overflow: hidden;
}

#progress-bar-fill {
    width: 9%;
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--primary-dk));
    border-radius: 10px;
    transition: width 0.4s ease;
}

#question-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 10px;
}

#question-text {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 22px;
    color: var(--text-main);
}

/* 선택지 버튼 */
.option-btn {
    width: 100%;
    background: #fff;
    border: 1.5px solid #EEEEEE;
    padding: 15px 18px;
    border-radius: 14px;
    margin-bottom: 9px;
    font-size: 15px;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    color: var(--text-main);
    transition: all 0.18s ease;
    line-height: 1.4;
}

.option-btn:hover {
    border-color: var(--primary);
    background: #FFFBF2;
    transform: translateX(4px);
}

.option-btn:active {
    background: var(--accent);
    border-color: var(--primary-dk);
}

/* 주관식 */
.sub-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 12px;
}

#sub-question-text {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 20px;
}

.subjective-input {
    width: 100%;
    height: 130px;
    padding: 16px;
    border-radius: 16px;
    border: 1.5px solid #EEE;
    background: #FAFAFA;
    font-family: inherit;
    font-size: 15px;
    resize: none;
    outline: none;
    margin-bottom: 18px;
    transition: all 0.2s ease;
    color: var(--text-main);
}

.subjective-input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 179, 71, 0.12);
}

/* ─────────────────────────────────────────── */
/* 화면 ④: 로딩 화면                           */
/* ─────────────────────────────────────────── */
#loading-screen {
    justify-content: center;
    align-items: center;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.cloud-loader {
    width: 90px;
    height: 55px;
    background: #fff;
    border-radius: 50px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.08);
    animation: float 1.6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(-14px) scale(1.03); }
}

.loading-text {
    font-size: 16px;
    color: var(--text-sub);
    text-align: center;
    line-height: 1.7;
}

/* ─────────────────────────────────────────── */
/* 화면 ⑤: 결과 화면                           */
/* ─────────────────────────────────────────── */
#result-screen {
    justify-content: flex-start;
    padding: 0 20px 110px;
    overflow-y: auto;
}

.result-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 30px 24px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.result-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-sub);
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

#result-type {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.3;
}

.result-image-wrapper {
    width: 100%;
    max-height: 210px;
    border-radius: 18px;
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--accent);
    display: flex;
    justify-content: center;
    align-items: center;
}

#result-img {
    width: 100%;
    height: auto;
    max-height: 210px;
    object-fit: contain;
}

#result-diagnosis {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-main);
    text-align: left;
    white-space: pre-line;
    margin-bottom: 20px;
    width: 100%;
}

/* 처방 영상 카드 */
#care-video-section {
    width: 100%;
    margin-bottom: 18px;
}

#care-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 8px;
    text-align: left;
}

.video-card {
    background: var(--accent);
    padding: 14px 18px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 18px rgba(255,140,0,0.15);
}

.care-action-row {
    display: flex;
    gap: 10px;
    width: 100%;
}

.care-action-row .video-card {
    flex: 1.4;
}

.survey-card {
    flex: 1;
    background: #FFF8E1;
    border: 1.5px dashed var(--primary);
    padding: 12px 14px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.survey-card:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.survey-icon {
    font-size: 18px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.survey-text {
    font-size: 12px;
    font-weight: 800;
    color: var(--primary-dk);
    line-height: 1.25;
    text-align: left;
}

.video-play-btn {
    width: 38px;
    height: 38px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
    font-size: 14px;
}

#care-video-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

/* 결과 액션 버튼 */
.action-btns {
    display: flex;
    gap: 10px;
    width: 100%;
}

.share-btn {
    flex: 1;
    padding: 14px;
    border-radius: var(--radius-btn);
    border: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary), var(--primary-dk));
    color: #fff;
    box-shadow: 0 6px 18px rgba(255,140,0,0.25);
    transition: all 0.2s ease;
}

.retry-btn {
    flex: 1;
    padding: 14px;
    border-radius: var(--radius-btn);
    border: 1.5px solid #DDD;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    background: #fff;
    color: var(--text-sub);
    transition: all 0.2s ease;
}

.share-btn:hover { transform: translateY(-2px); }
.retry-btn:hover  { border-color: var(--primary); color: var(--primary); }

/* ─────────────────────────────────────────── */
/* 탭 B: Present / 탭 D: Care (Coming Soon)   */
/* ─────────────────────────────────────────── */
#present-screen,
#care-screen {
    justify-content: center;
    align-items: center;
    padding: 0 30px 100px;
}

.coming-soon-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
}

.coming-icon {
    font-size: 56px;
    animation: float 2s ease-in-out infinite;
}

.coming-title {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-main);
}

.coming-desc {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
}

.coming-badge {
    background: var(--accent);
    color: var(--primary-dk);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ─────────────────────────────────────────── */
/* 탭 C: Video                                 */
/* ─────────────────────────────────────────── */
#video-screen {
    justify-content: flex-start;
    padding: 0 20px 110px;
    overflow-y: auto;
}

.video-page-box {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 4px;
}

.page-title {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-main);
}

.page-sub {
    font-size: 14px;
    color: var(--text-sub);
    margin-top: -8px;
}

.youtube-channel-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #FF0000;
    color: #fff;
    padding: 16px 20px;
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.youtube-channel-card:hover { opacity: 0.9; transform: scale(1.01); }

.yt-play-icon {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    flex-shrink: 0;
}

.yt-channel-name {
    font-size: 15px;
    font-weight: 700;
}

.yt-channel-sub {
    font-size: 12px;
    opacity: 0.85;
    margin-top: 2px;
}

.video-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-thumb-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.video-thumb-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0,0,0,0.08);
}

.video-thumb-placeholder,
.video-thumb-image {
    width: 90px;
    height: 60px;
    background-color: var(--accent);
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.video-thumb-play-icon {
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 11px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.video-thumb-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ─────────────────────────────────────────── */
/* 하단 탭 바                                  */
/* ─────────────────────────────────────────── */
#bottom-nav {
    position: absolute;
    bottom: 18px;
    left: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.97);
    height: 68px;
    border-radius: 34px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
    backdrop-filter: blur(12px);
    z-index: 50;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.2s ease;
    color: var(--text-sub);
}

.nav-item.active { color: var(--primary); }

.nav-item:hover { background: var(--accent); }

.nav-icon { font-size: 20px; }

.nav-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* ─────────────────────────────────────────── */
/* 영상 모달                                   */
/* ─────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 200;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal-content {
    background: #000;
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    overflow: hidden;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 14px;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    font-size: 22px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.close-btn:hover { background: rgba(255,255,255,0.3); }

.iframe-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}

.iframe-container iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
}

/* ─────────────────────────────────────────── */
/* PC 반응형 (≥ 768px)                         */
/* ─────────────────────────────────────────── */
@media (min-width: 768px) {
    body {
        align-items: center;        /* 세로 중앙 */
        background: linear-gradient(145deg, #F5F0E0 0%, #FFF3B0 100%);
    }

    #app-container {
        max-width: 680px;           /* PC에서 더 넓게 */
        min-height: 100dvh;
        border-left: 1px solid rgba(255,200,80,0.12);
        border-right: 1px solid rgba(255,200,80,0.12);
        box-shadow: 0 0 60px rgba(255,150,30,0.08);
    }

    /* 헤더 */
    #app-header { height: 70px; padding: 0 30px; }
    .header-logo-img { height: 32px; }
    .header-logo-text { font-size: 18px; }

    /* 랜딩 */
    .landing-title { font-size: 48px; }
    .landing-sub { font-size: 18px; }

    /* 시작화면 */
    #start-screen { padding: 0 36px 100px; }
    .content-box { padding: 45px 40px; }
    .intro-image-wrapper { width: 220px; height: 220px; }
    .start-title { font-size: 32px; }
    .start-desc { font-size: 16px; }

    /* 테스트화면 */
    #question-screen { padding: 0 36px 100px; }
    .question-box { padding: 36px 32px; }
    #question-text { font-size: 24px; }
    .option-btn { font-size: 16px; padding: 18px 22px; }

    /* 결과화면 */
    #result-screen { padding: 0 36px 110px; }
    .result-box { padding: 38px 34px; }
    #result-type { font-size: 38px; }
    .result-image-wrapper { max-height: 260px; }
    #result-diagnosis { font-size: 16px; }

    /* 탭 페이지 */
    #present-screen,
    #care-screen { padding: 0 48px 110px; }
    .coming-icon { font-size: 72px; }
    .coming-title { font-size: 28px; }

    #video-screen { padding: 0 36px 110px; }
    .page-title { font-size: 26px; }

    /* 하단 탭 */
    #bottom-nav { bottom: 22px; left: 24px; right: 24px; height: 74px; }
    .nav-icon { font-size: 22px; }
    .nav-label { font-size: 11px; }
}

/* ─────────────────────────────────────────── */
/* 작은 모바일 보정 (≤ 375px, 작은 화면)      */
/* ─────────────────────────────────────────── */
@media (max-width: 375px) {
    .intro-image-wrapper { width: 140px; height: 140px; }
    .start-title { font-size: 22px; }
    .question-box { padding: 22px 18px; }
    #question-text { font-size: 18px; }
    .option-btn { font-size: 14px; padding: 13px 16px; }
}

/* ─────────────────────────────────────────── */
/* 짧은 화면 보정 (≤ 700px 높이)              */
/* ─────────────────────────────────────────── */
@media (max-height: 700px) {
    .intro-image-wrapper { width: 130px; height: 130px; margin-bottom: 14px; }
    .start-desc { margin-bottom: 18px; font-size: 14px; }
    #app-header { height: 52px; }
    .question-box { padding: 20px 18px; }
    .progress-bar-container { margin-bottom: 16px; }
}
/* ─────────────────────────────────────────── */
/* PC 최적화: 가로 공간 활용 & 스크롤 최소화      */
/* ─────────────────────────────────────────── */
@media (min-width: 1024px) {
    #app-container {
        max-width: 1080px;  /* PC는 넓게 사용 */
        background: #fff;
        box-shadow: 0 0 100px rgba(0,0,0,0.05);
    }

    /* 결과 페이지: 2컬럼 레이아웃 */
    #result-screen {
        padding: 40px 80px 120px;
    }

    .result-box {
        display: grid;
        grid-template-columns: 420px 1fr;
        grid-template-areas: 
            "label label"
            "type type"
            "img diag"
            "img video"
            "img btns";
        gap: 0 60px;
        text-align: left;
        align-items: start;
        padding: 60px;
    }

    .result-label { grid-area: label; text-align: center; }
    #result-type { 
        grid-area: type; 
        text-align: center; 
        font-size: 42px; 
        margin-bottom: 45px; 
    }

    .result-image-wrapper { 
        grid-area: img; 
        height: 420px; 
        max-height: 420px;
        margin-bottom: 0;
        border-radius: 24px;
    }

    #result-diagnosis { 
        grid-area: diag; 
        font-size: 16px; 
        line-height: 1.8;
        margin-top: 10px;
    }

    #care-video-section { 
        grid-area: video; 
        margin-top: 20px; 
    }

    .action-btns { 
        grid-area: btns; 
        margin-top: 35px; 
    }

    /* 비디오 페이지: 2컬럼 리스트 */
    .video-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    /* 시작 페이지 요소를 조금 더 키움 */
    #start-screen {
        padding: 0 60px 100px;
    }
    .intro-image-wrapper {
        width: 280px;
        height: 280px;
    }
    .start-title { font-size: 38px; }
    .content-box { 
        padding: 60px; 
        max-width: 800px;
    }
}