:root {
    --fo-bg: #fafaf9;
    --fo-surface: #ffffff;
    --fo-ink: #1c1917;
    --fo-ink-light: #78716c;
    --fo-line: #e7e5e4;
    --fo-accent: #047857;
}
body { margin: 0; background: var(--fo-bg); color: var(--fo-ink); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
.fo-header { border-bottom: 1px solid var(--fo-line); padding: 30px 0; background: var(--fo-bg); }
.fo-nav-in { max-width: 1500px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 30px; }
.fo-logo img { height: 22px; filter: grayscale(100%) contrast(1.2); }
.fo-menu { display: flex; gap: 40px; }
.fo-menu a { text-decoration: none; color: var(--fo-ink); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; position: relative; }
.fo-menu a:hover { color: var(--fo-accent); }
.fo-menu a::after { content: ''; position: absolute; width: 0; height: 1px; bottom: -4px; left: 0; background-color: var(--fo-accent); transition: width 0.3s; }
.fo-menu a:hover::after { width: 100%; }
.fo-container { max-width: 1500px; margin: 50px auto; padding: 0 30px; box-sizing: border-box; }
.fo-notice { border: 1px solid var(--fo-line); padding: 15px 25px; margin-bottom: 50px; font-size: 13px; color: var(--fo-ink); display: flex; align-items: center; background: var(--fo-surface); }
.fo-notice strong { color: var(--fo-accent); margin-right: 15px; letter-spacing: 1px; }
.fo-title-bar { border-bottom: 1px solid var(--fo-ink); padding-bottom: 15px; margin-bottom: 30px; display: flex; justify-content: space-between; align-items: flex-end; }
.fo-title-bar h2 { margin: 0; font-family: "Georgia", serif; font-size: 28px; font-weight: 400; font-style: italic; color: var(--fo-ink); }
.fo-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 20px; }
.fo-card { display: flex; flex-direction: column; text-decoration: none; border: 1px solid var(--fo-line); background: transparent; transition: 0.3s ease; }
.fo-card:hover { background: var(--fo-surface); border-color: var(--fo-ink); }
.fo-img-wrap { width: 100%; aspect-ratio: 1; border-bottom: 1px solid var(--fo-line); display: flex; align-items: center; justify-content: center; padding: 20px; box-sizing: border-box; }
.fo-img-wrap img { width: 100%; height: 100%; object-fit: contain; }
.fo-card-body { padding: 15px; display: flex; flex-direction: column; flex: 1; }
.fo-name { font-size: 12px; font-weight: 600; color: var(--fo-ink); height: 34px; line-height: 1.4; overflow: hidden; margin-bottom: 20px; text-transform: uppercase; }
.fo-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.fo-price { font-family: "Georgia", serif; font-size: 18px; color: var(--fo-ink); font-weight: bold; }
.fo-sell { font-size: 10px; color: var(--fo-ink-light); letter-spacing: 0.5px; }
.fo-detail-layout { display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: start; }
.fo-article { border-top: 1px solid var(--fo-ink); padding-top: 20px; }
.fo-h1 { font-family: "Georgia", serif; font-size: 36px; font-weight: 400; margin: 0 0 30px 0; color: var(--fo-ink); line-height: 1.2; }
.fo-desc { font-size: 14px; line-height: 2; color: var(--fo-ink-light); }
.fo-form-box { border: 1px solid var(--fo-line); padding: 40px; background: var(--fo-surface); }
.fo-form-price { font-family: "Georgia", serif; font-size: 42px; color: var(--fo-ink); margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid var(--fo-line); }
.fo-input-group { margin-bottom: 25px; }
.fo-label { display: block; font-size: 11px; font-weight: 600; color: var(--fo-ink); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.fo-input { width: 100%; height: 44px; border: none; border-bottom: 1px solid var(--fo-line); background: transparent; color: var(--fo-ink); font-size: 14px; padding: 0; outline: none; transition: 0.2s; }
.fo-input:focus { border-bottom-color: var(--fo-accent); }
.fo-btn { width: 100%; height: 54px; background: var(--fo-ink); color: var(--fo-surface); border: none; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; cursor: pointer; transition: 0.3s; margin-top: 20px; }
.fo-btn:hover { background: var(--fo-accent); }
.fo-footer { border-top: 1px solid var(--fo-line); padding: 60px 30px; margin-top: 100px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--fo-ink-light); text-transform: uppercase; letter-spacing: 1px; }
@media (max-width: 1400px) { .fo-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 900px) { .fo-grid { grid-template-columns: repeat(3, 1fr); } .fo-detail-layout { grid-template-columns: 1fr; gap: 40px; } }
@media (max-width: 600px) { .fo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } .fo-nav-in { flex-direction: column; gap: 20px; } }