@charset "utf-8";

/* ==========================================================================
   Variables & Reset
   ========================================================================== */
.ntb {
    --b: #157ced;
    --bd: #0f4fd1;
    --t: #1c1c1e;
    --s: #6e6e73;
    --l: #e5e5ea;
    --bg: #f5f7fa;
    --o: #ff8a00;
    --r: #ff3d57;
    
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    color: var(--t);
    background: #fff;
    line-height: 1.45;
    letter-spacing: -0.3px;
    word-break: keep-all;
    -webkit-text-size-adjust: 100%;
}

.ntb * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.ntb a {
    color: inherit;
    text-decoration: none;
}

.ntb img {
    display: block;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.ntb-in {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 20px;
}

.ntb-sec {
    padding-top: 64px;
}

.ntb-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 24px;
    margin-top: 30px;
}

/* ==========================================================================
   Key Visual (.ntb-kv)
   ========================================================================== */
.ntb-kv {
    position: relative;
    display: block;
    height: 500px;
    overflow: hidden;
    background: #2b7fc4;
}

.ntb-kv:before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(6,28,58,.58) 0%, rgba(6,28,58,.3) 55%, rgba(6,28,58,.45) 100%);
}

.ntb-kv img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 62%;
}

.ntb-kv-t {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 16px 20px;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 14px rgba(0,30,70,.45);
}

.ntb-kv-e {
    margin-bottom: 16px;
    padding: 6px 16px;
    border-radius: 999px;
    background: #FF7D7D;
    font-size: 15px;
    font-weight: 700;
    text-shadow: none;
}

.ntb-kv-t h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    color: #fff;
}

.ntb-kv-t h1 em {
    font-style: normal;
    color: #ffe500;
}

.ntb-kv-t p {
    margin-top: 16px;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.45;
}

.ntb-kv-b {
    margin-top: 22px;
    padding: 12px 24px;
    border-radius: 999px;
    background: #ffe500;
    color: #1c1c1e;
    font-size: 16px;
    font-weight: 800;
    text-shadow: none;
}

/* ==========================================================================
   Strip / Navigation / Reviews
   ========================================================================== */
.ntb .ntb-strip {color: #fff;}   
.ntb-strip {
    display: block;
    padding: 14px 16px;
    background: #111;
    color: #fff;
    font-size: 15px;
    text-align: center;
}

.ntb-strip b {
    display: block;
    margin-bottom: 2px;
    color: #5cb0ff;
    font-size: 16px;
    font-weight: 700;
}

.ntb-cirs {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 34px 0 6px;
    overflow-x: auto;
    scrollbar-width: none;
}

.ntb-cirs::-webkit-scrollbar {
    display: none;
}

.ntb-cir {
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 98px;
    text-align: center;
}

.ntb-cimg {
    width: 70px;
    height: 70px;
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--l);
    overflow: hidden;
    transition: box-shadow .15s;
}

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

.ntb-clab {
    position: relative;
    margin-top: -9px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #f1f3f5;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.ntb-cpr {
    margin-top: 4px;
    color: var(--b);
    font-size: 12px;
    font-weight: 700;
}

.ntb-cir:hover .ntb-cimg {
    box-shadow: 0 0 0 3px var(--b);
}

.ntb-cir:hover .ntb-clab {
    background: var(--b);
    color: #fff;
}

/* Reviews */
.ntb-rvh {
    padding-top: 40px;
    font-size: 20px;
    font-weight: 800;
    text-align: center;
}

.ntb-rvs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding-top: 18px;
}

.ntb-rv {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 18px 20px;
    border-radius: 14px;
    background: var(--bg);
    transition: background .15s;
}

.ntb-rv:hover {
    background: #eaf1fb;
}

.ntb-rv-s {
    color: var(--s);
    font-size: 13px;
}

.ntb-rv-s b {
    color: var(--o);
}

.ntb-rv strong {
    font-size: 17px;
    font-weight: 800;
}

.ntb-rv-t {
    color: #48484a;
    font-size: 14.5px;
    line-height: 1.5;
}

.ntb-rv-n {
    margin-top: auto;
    padding-top: 6px;
    color: var(--b);
    font-size: 13px;
    font-weight: 700;
}

/* ==========================================================================
   Section Header & Product Card
   ========================================================================== */
.ntb-sh {
    text-align: center;
}

.ntb-sh span {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    background: #eaf3ff;
    color: var(--b);
    font-size: 14px;
    font-weight: 800;
}

.ntb-sh h2 {
    margin-top: 12px;
    font-size: 38px;
    font-weight: 900;
    letter-spacing: -1px;
    text-wrap: balance;
}

.ntb-sh p {
    margin-top: 6px;
    color: var(--s);
    font-size: 16px;
}

.ntb-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Photo Gallery Slider */
.ntb-ph {
    position: relative;
    border-radius: 18px;
    background: var(--bg);
    overflow: hidden;
}

.ntb-roll {
    display: flex;
    aspect-ratio: 16/10;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.ntb-roll::-webkit-scrollbar {
    display: none;
}

.ntb-roll img {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    scroll-snap-align: start;
}

.ntb-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 12px;
    border-radius: 9px;
    background: rgba(17,17,17,.82);
    color: #fff;
    font-size: 13.5px;
    font-weight: 800;
    pointer-events: none;
}

.ntb-cnt {
    position: absolute;
    right: 12px;
    bottom: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(17,17,17,.6);
    color: #fff;
    font-size: 12px;
    pointer-events: none;
}

/* Navigation Arrows */
.ntb-nv {
    position: absolute;
    top: 50%;
    margin-top: -19px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.92);
    color: #1c1c1e;
    font-family: inherit;
    font-size: 24px;
    line-height: 36px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
    opacity: 0;
    transition: opacity .15s;
}

.ntb-pv { left: 12px; }
.ntb-nx { right: 12px; }

.ntb-ph:hover .ntb-nv { opacity: 1; }
@media (hover:none) { .ntb-nv { opacity: 1; } }

/* Card Body */
.ntb-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 14px 2px 0;
}

.ntb-body .ntb-sp {
    flex: 1;
    min-height: 0;
}

.ntb-body > span {
    display: block;
}

.ntb-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.ntb-name {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.6px;
}

.ntb-rate {
    flex: none;
    padding-top: 3px;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
}

.ntb-rate b {
    color: #ffb800;
}

.ntb-rate.ntb-grade {
    padding: 3px 9px;
    border-radius: 6px;
    background: #eaf3ff;
    color: var(--b);
    font-size: 13px;
    font-weight: 700;
}

.ntb-tags {
    margin-top: 4px;
    color: #8a93a0;
    font-size: 13.5px;
}

.ntb-checks {
    margin-top: 10px;
}

.ntb-checks span {
    position: relative;
    display: block;
    padding-left: 20px;
    color: #3a3a3c;
    font-size: 14.5px;
    line-height: 1.6;
}

.ntb-checks span:first-child {
    color: var(--b);
}

.ntb-checks span:before {
    content: "";
    position: absolute;
    top: 6px;
    left: 3px;
    width: 9px;
    height: 5px;
    border-left: 2px solid var(--b);
    border-bottom: 2px solid var(--b);
    transform: rotate(-45deg);
}

/* Benefit Box */
.ntb-x {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f1f7ff;
    color: #3a3a3c;
    font-size: 14px;
    line-height: 1.55;
}

.ntb-xr {
    background: #fff8ec;
}

.ntb-x b {
    display: block;
    margin-bottom: 4px;
    color: var(--bd);
    font-size: 13px;
    font-weight: 700;
}

.ntb-xr b {
    color: #c96a00;
}

.ntb-x span {
    position: relative;
    display: block;
    padding-left: 12px;
}

.ntb-x span:before {
    content: "";
    position: absolute;
    top: 0.68em;
    left: 1px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--b);
}

.ntb-x i {
    color: #8a93a0;
    font-style: normal;
    white-space: nowrap;
}

/* Price Box */
.ntb-pbox {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    min-height: 76px;
    margin-top: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--bg);
}

.ntb-pl {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    min-width: 0;
}

.ntb-chip {
    padding: 5px 10px;
    border-radius: 6px;
    background: var(--bd);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

.ntb-diff {
    color: var(--s);
    font-size: 13px;
}

.ntb-pr {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex: none;
}

.ntb-pr s {
    color: #8a93a0;
    font-size: 13px;
}

.ntb-pr strong {
    color: var(--b);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.6px;
}

.ntb-pr small {
    font-size: 15px;
    font-weight: 700;
}

/* Summary Box */
.ntb-p5 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
    padding: 11px 16px;
    border: 1px solid var(--l);
    border-radius: 12px;
    color: #48484a;
    font-size: 15px;
}

.ntb-p5 b {
    color: var(--bd);
    font-weight: 700;
}

.ntb-p5 i {
    color: #8a93a0;
    font-size: 12px;
    font-style: normal;
}

.ntb-p5 strong {
    color: var(--t);
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
}

/* CTA Button */
.ntb-go {
    margin-top: 10px;
    padding: 14px;
    border-radius: 12px;
    background: var(--b);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    transition: background .15s;
}

.ntb-body:hover .ntb-go {
    background: var(--bd);
}

.ntb-body:hover .ntb-name {
    text-decoration: underline;
}

/* ==========================================================================
   Chart & Table Area
   ========================================================================== */
.ntb-chart {
    margin-top: 26px;
    padding: 6px 18px;
    border: 1px solid var(--l);
    border-radius: 16px;
}

.ntb-row {
    display: grid;
    grid-template-columns: 26px minmax(0, 1.3fr) minmax(0, 1fr) 84px 54px;
    gap: 12px;
    align-items: center;
    padding: 13px 0;
    border-bottom: 1px solid #f0f1f4;
    font-size: 16px;
}

.ntb-row:last-child {
    border-bottom: 0;
}

.ntb-row:hover .ntb-row-name {
    color: var(--b);
}

.ntb-row-n {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--bg);
    color: var(--s);
    font-size: 13px;
    font-weight: 800;
}

.ntb-row-name {
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ntb-row-bar {
    height: 8px;
    border-radius: 8px;
    background: var(--bg);
    overflow: hidden;
}

.ntb-row-bar i {
    display: block;
    height: 100%;
    border-radius: 8px;
    background: #b9c4d4;
}

.ntb-row-bar i.lo {
    background: var(--b);
}

.ntb-row-p {
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.ntb-row-go {
    padding: 5px 0;
    border-radius: 999px;
    background: #eaf3ff;
    color: var(--b);
    font-size: 13px;
    font-weight: 700;
    text-align: center;
}

.ntb-avg {
    margin-top: 12px;
    color: var(--s);
    font-size: 14px;
    text-align: center;
}

.ntb-avg b {
    color: var(--b);
}

/* ==========================================================================
   Notice & Footer
   ========================================================================== */
.ntb-note {
    margin-top: 48px;
    padding: 18px 20px;
    border-radius: 14px;
    background: var(--bg);
    color: var(--s);
    font-size: 13px;
}

.ntb-note b {
    color: #48484a;
}

.ntb-note ul {
    list-style: none;
}

.ntb-note li {
    position: relative;
    margin-top: 4px;
    padding-left: 10px;
    font-size: 13px;
}

.ntb-note li:before {
    content: "·";
    position: absolute;
    left: 0;
}

.ntb-foot {
    display: block;
    margin: 28px 0 64px;
    padding: 28px 20px;
    border-radius: 18px;
    background: linear-gradient(100deg, #157ced, #0f4fd1);
    color: #fff;
    text-align: center;
}

.ntb-foot strong {
    display: block;
    font-size: 24px;
    color: #fff;
    font-weight: 700;
}

.ntb-foot span {
    display: inline-block;
    margin-top: 12px;
    padding: 12px 24px;
    border-radius: 999px;
    background: #fff;
    color: var(--bd);
    font-size: 15px;
    font-weight: 700;
}

/* ==========================================================================
   Media Queries (Mobile)
   ========================================================================== */
@media (max-width: 760px) {
    .ntb-in { padding: 0 16px; }
    
    /* Hero */
    .ntb-kv { height: 420px; }
    .ntb-kv-t h1 { font-size: 44px; letter-spacing: -1.5px; line-height: 1.15; }
    .ntb-kv-t h1 em { display: block; }
    .ntb-kv-t p { font-size: 18px; }
    .ntb-kv-e { font-size: 13px; }
    .ntb-kv-b { padding: 12px 20px; font-size: 15px; }
    
    /* Strip & Circles */
    .ntb-strip { font-size: 13px; }
    .ntb-strip b { font-size: 15px; }
    .ntb-cirs { justify-content: flex-start; margin: 0 -16px; padding: 26px 12px 4px; }
    .ntb-cir { width: 88px; }
    
    /* Reviews */
    .ntb-rvh { padding-top: 32px; font-size: 18px; }
    .ntb-rvs { display: flex; margin: 0 -16px; padding: 16px 16px 0; overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; }
    .ntb-rvs::-webkit-scrollbar { display: none; }
    .ntb-rv { flex: 0 0 82%; scroll-snap-align: center; }
    
    /* Section & Cards */
    .ntb-sec { padding-top: 48px; }
    .ntb-sh h2 { font-size: 25px; line-height: 1.3; }
    .ntb-sh span { font-size: 13px; }
    .ntb-sh p { font-size: 15px; }
    .ntb-grid { grid-template-columns: minmax(0, 1fr); gap: 34px; margin-top: 24px; }
    
    /* Gallery Controls */
    .ntb-nv { opacity: 1; width: 34px; height: 34px; margin-top: -17px; font-size: 20px; line-height: 32px; }
    .ntb-pv { left: 8px; }
    .ntb-nx { right: 8px; }
    
    /* Card Content */
    .ntb-name { font-size: 18px; }
    .ntb-checks span { font-size: 14px; }
    .ntb-x { font-size: 13px; }
    .ntb-chip { font-size: 15px; }
    .ntb-pr strong { font-size: 24px; }
    .ntb-go { padding: 16px; font-size: 16px; }
    
    /* Chart */
    .ntb-chart { padding: 4px 14px; }
    .ntb-row { grid-template-columns: 24px minmax(0, 1fr) 76px 48px; gap: 8px; font-size: 15px; }
    .ntb-row-bar { display: none; }
    
    /* Footer & Note */
    .ntb-note { font-size: 12.5px; }
    .ntb-foot { margin: 24px 0 48px; padding: 24px 16px; }
    .ntb-foot strong { font-size: 20px; }
    .ntb-foot span { padding: 12px 18px; font-size: 15px; }
}