:root {
  --usim-green: #007a4d;
  --usim-green-dark: #00583a;
  --usim-mint: #e7f7ef;
  --usim-mint-strong: #ccefdc;
  --usim-ink: #09241c;
  --usim-copy: #3f514a;
  --usim-muted: #697a72;
  --usim-line: #d7e8df;
  --usim-surface: #f7fbf8;
  --usim-blue: #155eef;
  --usim-magenta: #d9156c;
  --usim-amber: #9a6200;
  --usim-radius: 24px;
  --usim-shadow: 0 18px 42px rgba(10, 76, 52, .09);
}

.guide-page { overflow: clip; padding-bottom: 48px; background: var(--usim-surface); color: var(--usim-ink); }
.guide-wrap { width: min(1040px, calc(100% - 40px)); margin-inline: auto; }

.guide-hero {
  position: relative;
  padding: 44px 0 28px;
  background: radial-gradient(circle at 82% -28%, rgba(169, 230, 195, .34) 0 170px, transparent 171px), linear-gradient(180deg, #fff 0%, #f8fcfa 100%);
  text-align: center;
}
.guide-hero .guide-wrap { position: relative; z-index: 1; }
.guide-kicker { display: inline-flex; align-items: center; justify-content: center; margin: 0 0 10px; color: var(--usim-green); font-size: 14px; font-weight: 900; letter-spacing: -.02em; line-height: 1.4; }
.section-kicker { margin: 0 0 8px; color: var(--usim-green); font-size: 13px; font-weight: 900; letter-spacing: -.02em; line-height: 1.4; text-align: center; }
.guide-answer { max-width: 720px; margin: 0 auto; }
.guide-answer h1, .guide-hero h1 { margin: 0; color: var(--usim-ink); font-size: clamp(32px, 4vw, 44px); font-weight: 900; letter-spacing: -.06em; line-height: 1.16; }
.guide-title-mobile-break { display: none; }
.guide-answer p, .guide-hero .guide-answer > p, .guide-hero > .guide-wrap > p:not(.guide-kicker) { margin: 13px auto 0; color: #273c34; font-size: 17px; line-height: 1.58; }

.usim-tabs { display: grid; grid-template-columns: 1fr 1fr; width: min(100%, 680px); margin: 25px auto 0; overflow: hidden; border: 1.5px solid var(--usim-green); border-radius: 999px; background: #fff; }
.usim-tabs button { min-height: 58px; margin: 0; border: 0; border-radius: 0; background: transparent; color: var(--usim-green-dark); font: inherit; font-size: 18px; font-weight: 900; letter-spacing: -.035em; cursor: pointer; transition: background-color .18s ease, color .18s ease, box-shadow .18s ease; }
.usim-tabs button + button { border-left: 1px solid var(--usim-green); }
.usim-tabs button:hover { background: #effaf4; }
.usim-tabs button.is-active, .usim-tabs button[aria-selected="true"] { background: linear-gradient(105deg, var(--usim-green-dark), #008857); color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1); }

.compare-section { padding: 24px 0; background: var(--usim-surface); }
.usim-panel-shell { max-width: 1040px; }
[data-usim-panel][hidden] { display: none !important; }
.usim-purchase-panel { display: grid; min-width: 0; overflow: hidden; border: 1px solid #d1e5da; border-radius: var(--usim-radius); background: #fff; box-shadow: var(--usim-shadow); }
.usim-purchase-panel.is-lg { border-color: #eed9e3; }
.product-stage { position: relative; display: grid; min-height: 410px; place-items: center; margin: 0; padding: 32px; background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, .98) 0 38%, rgba(239, 251, 245, .92) 39% 61%, transparent 62%), linear-gradient(135deg, #edf9f3 0%, #f8fdfb 100%); }
.is-lg .product-stage { background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, .98) 0 38%, rgba(255, 241, 248, .7) 39% 61%, transparent 62%), linear-gradient(135deg, #fff9fc 0%, #fff 100%); }
.product-stage img { position: relative; z-index: 1; display: block; width: auto; height: min(345px, 78vw); max-width: min(82%, 310px); max-height: 100%; object-fit: contain; filter: drop-shadow(0 17px 15px rgba(4, 83, 54, .17)); }
.is-lg .product-stage img { filter: drop-shadow(0 17px 15px rgba(92, 12, 50, .16)); }
.product-caption { position: absolute; z-index: 2; bottom: 20px; left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 32px); color: #5b6d64; font-size: 13px; font-weight: 700; text-align: center; }
.usim-purchase-body { min-width: 0; padding: 34px 38px 32px; }
.product-heading-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.network-badge { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 12px; border-radius: 999px; background: var(--usim-mint); color: var(--usim-green-dark); font-size: 13px; font-weight: 900; letter-spacing: -.02em; line-height: 1.25; white-space: nowrap; }
.network-badge.kt { background: #eaf1ff; color: var(--usim-blue); }
.network-badge.lg { background: #fff0f7; color: var(--usim-magenta); }
.product-heading-row h2, .usim-purchase-body h2 { margin: 10px 0 0; color: var(--usim-ink); font-size: clamp(30px, 3vw, 36px); font-weight: 900; letter-spacing: -.06em; line-height: 1.14; }
.product-price { margin: 10px 0 0; color: var(--usim-green); font-size: 22px; font-weight: 900; letter-spacing: -.045em; line-height: 1.15; }
.product-price strong { font-size: 35px; }
.is-lg .product-price { color: var(--usim-magenta); }
.usim-summary { margin: 13px 0 0; color: var(--usim-copy); font-size: 16px; line-height: 1.65; }
.usim-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 26px 0 0; border-block: 1px solid var(--usim-line); }
.usim-fact { display: grid; grid-template-columns: 40px minmax(0, 1fr); align-items: center; gap: 10px; min-width: 0; padding: 17px 12px; color: #1f3930; font-size: 14px; font-weight: 800; letter-spacing: -.03em; line-height: 1.35; }
.usim-fact + .usim-fact { border-left: 1px solid var(--usim-line); }
.fact-icon { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid #a9d6bf; border-radius: 12px; background: #f4fcf7; color: var(--usim-green); font-size: 20px; line-height: 1; }
.fact-icon svg, .trust-icon svg, .photo-icon svg, .nfc-note-icon svg { display: block; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.fact-icon--kt { color: var(--usim-blue); font-size: 15px; font-weight: 900; }
.fact-icon--lg { color: var(--usim-magenta); font-size: 15px; font-weight: 900; }
.is-lg .fact-icon { border-color: #f0bbd3; background: #fff6fa; color: var(--usim-magenta); }
.nfc-note { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0 0; color: #895900; font-size: 13px; font-weight: 800; line-height: 1.55; }
.nfc-note-icon { display: grid; flex: 0 0 30px; width: 30px; height: 30px; place-items: center; border-radius: 9px; background: #fff2ce; color: #9a6200; }
.nfc-note-icon svg { width: 17px; height: 17px; }
.nfc-note strong, .nfc-note small { display: block; }
.nfc-note small { margin-top: 1px; color: #806f4d; font-size: 11px; font-weight: 700; }

.store-block { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding: 22px 0; }
.store-block h3 { flex: 0 0 auto; margin: 0; color: var(--usim-ink); font-size: 16px; font-weight: 900; letter-spacing: -.04em; }
.store-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; min-width: 0; }
.store-logo { display: grid; width: 84px; height: 42px; place-items: center; padding: 6px 10px; border: 1px solid #c7ddd1; border-radius: 999px; background: #fff; }
.store-logo img { display: block; width: auto; height: 28px; max-width: 72px; object-fit: contain; }
.store-logo:has(img[src*="emart"]) { width: 104px; border-color: #d8d8d8; }
.store-logo:has(img[src*="baemin"]) { width: 120px; border-color: #82d8cd; }
.store-block > p { flex: 1 1 100%; margin: 0; color: var(--usim-muted); font-size: 12px; line-height: 1.5; }

.purchase-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.guide-button { display: inline-flex; align-items: center; justify-content: center; min-height: 58px; padding: 12px 16px; border: 1.5px solid transparent; border-radius: 14px; color: #fff; font: inherit; font-size: 16px; font-weight: 900; letter-spacing: -.04em; line-height: 1.25; text-align: center; text-decoration: none; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease; }
.guide-button:hover { transform: translateY(-2px); }
.guide-button:active { transform: translateY(0); }
.purchase-button { border-color: var(--usim-green); background: linear-gradient(105deg, var(--usim-green-dark), #008857); color: #fff; box-shadow: 0 10px 20px rgba(0, 112, 73, .18); }
.activation-button { border-color: var(--usim-green); background: #fff; color: var(--usim-green-dark); }
.purchase-button:hover { box-shadow: 0 14px 25px rgba(0, 112, 73, .25); }
.activation-button:hover { background: #f0faf4; }

.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; overflow: hidden; border: 1px solid #d7e8df; border-radius: 18px; background: #fff; box-shadow: 0 8px 22px rgba(10, 76, 52, .045); }
.trust-item { display: grid; grid-template-columns: 52px minmax(0, 1fr); align-items: center; gap: 12px; padding: 18px 22px; color: var(--usim-copy); font-size: 13px; font-weight: 700; letter-spacing: -.035em; line-height: 1.45; }
.trust-item + .trust-item { border-left: 1px solid var(--usim-line); }
.trust-item strong { display: block; color: var(--usim-ink); font-size: 16px; font-weight: 900; }
.trust-icon { display: grid; width: 52px; height: 52px; place-items: center; border: 1px solid #bee2ce; border-radius: 50%; background: var(--usim-mint); color: var(--usim-green-dark); font-size: 26px; line-height: 1; }

.help-section { padding: 28px 0 62px; background: var(--usim-surface); }
.photo-help { display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: 940px; padding: 24px 28px; border: 1px solid #b8dfcd; border-radius: 20px; background: linear-gradient(100deg, #e9faf2 0%, #f9fffc 100%); }
.photo-help > div { min-width: 0; }
.photo-help-copy { display: flex; align-items: center; gap: 14px; }
.photo-icon { display: grid; flex: 0 0 48px; width: 48px; height: 48px; place-items: center; border-radius: 14px; background: #fff; color: var(--usim-green); box-shadow: 0 7px 18px rgba(8, 125, 102, .1); }
.photo-help h2 { margin: 0; color: var(--usim-ink); font-size: 23px; font-weight: 900; letter-spacing: -.05em; }
.photo-help p { margin: 7px 0 0; color: var(--usim-copy); font-size: 15px; line-height: 1.55; }
.photo-help .guide-button { flex: 0 0 auto; gap: 9px; min-height: 54px; padding: 8px 17px 8px 9px; background: var(--usim-green); }
.kakao-button-logo { display: grid; flex: 0 0 36px; width: 36px; height: 36px; overflow: hidden; place-items: center; border-radius: 11px; background: #fee500; box-shadow: inset 0 0 0 1px rgba(53, 27, 27, .08); }
.kakao-button-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }

.detail-section { padding: 68px 0; background: #fff; }
.detail-intro { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.detail-intro h2, .detail-section > .guide-wrap > h2, .faq-section h2 { margin: 0; color: var(--usim-ink); font-size: clamp(26px, 3.3vw, 36px); font-weight: 900; letter-spacing: -.06em; line-height: 1.2; }
.detail-intro p { margin: 11px 0 0; color: var(--usim-copy); font-size: 16px; line-height: 1.65; }
.detail-intro .attention-kicker { display: inline-flex; width: max-content; align-items: center; justify-content: center; margin: 0 auto 13px; padding: 7px 16px; border: 1px solid #9bcfb6; border-radius: 999px; background: #f3fbf7; color: var(--usim-green-dark); font-size: 14px; box-shadow: 0 5px 14px rgba(0, 106, 67, .06); }
.purchase-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0 auto 58px; }
.purchase-step { position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: center; gap: 16px; min-width: 0; padding: 12px 26px; }
.purchase-step + .purchase-step::before { content: "›"; position: absolute; top: 50%; left: -7px; color: var(--usim-green); font-size: 36px; font-weight: 400; transform: translateY(-50%); }
.purchase-step > span { display: grid; width: 64px; height: 64px; place-items: center; border: 1px solid #bee2ce; border-radius: 50%; background: var(--usim-mint); color: var(--usim-green); font-size: 24px; font-weight: 900; }
.purchase-step h3 { margin: 0; color: var(--usim-ink); font-size: 18px; font-weight: 900; letter-spacing: -.045em; }
.purchase-step p { margin: 5px 0 0; color: var(--usim-copy); font-size: 14px; line-height: 1.55; }
.compare-block { margin: 0 auto 70px; }
.compare-block header, .faq-section header { text-align: center; }
.compare-block header { margin-bottom: 28px; }
.compare-block header .section-kicker { display: flex; align-items: center; justify-content: center; gap: 14px; }
.compare-block header .section-kicker::before, .compare-block header .section-kicker::after { width: 44px; height: 1px; background: #57a77f; content: ""; }
.compare-block h2 { margin: 0; color: var(--usim-ink); font-size: clamp(30px, 3.2vw, 38px); font-weight: 900; letter-spacing: -.06em; text-align: center; }
.comparison-table-wrap { overflow-x: auto; border-top: 3px solid var(--usim-green); }
.comparison-table { width: 100%; min-width: 0; table-layout: fixed; border-collapse: collapse; color: #263b32; font-size: 16px; text-align: center; }
.comparison-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.comparison-table th, .comparison-table td { padding: 20px 24px; border-right: 1px solid #d3e5db; border-bottom: 1px solid #d3e5db; line-height: 1.45; }
.comparison-table th:last-child, .comparison-table td:last-child { border-right: 0; }
.comparison-table thead th { height: 76px; background: #fff; color: var(--usim-green-dark); font-size: 18px; font-weight: 900; }
.comparison-table thead th:first-child { width: 23%; background: linear-gradient(90deg, #f1faf5 0%, #f8fcfa 100%); text-align: left; }
.comparison-network-title { display: inline-flex; position: relative; align-items: center; justify-content: center; padding-bottom: 9px; }
.comparison-network-title::after { position: absolute; bottom: 0; left: 50%; width: 52px; height: 3px; border-radius: 999px; background: currentColor; content: ""; transform: translateX(-50%); }
.comparison-network-title--kt { color: var(--usim-blue); }
.comparison-network-title--lg { color: var(--usim-magenta); }
.comparison-table tbody th { width: 23%; background: linear-gradient(90deg, #f1faf5 0%, #f8fcfa 100%); color: var(--usim-green-dark); font-size: 17px; font-weight: 900; text-align: left; }
.comparison-table tbody td { height: 78px; color: #15251f; font-size: 16px; }
.compare-row-label { display: flex; align-items: center; gap: 14px; }
.compare-row-icon { display: grid; flex: 0 0 40px; width: 40px; height: 40px; place-items: center; border-radius: 12px; color: var(--usim-green); }
.compare-row-icon svg { display: block; width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.compare-row-icon--nfc { border: 1px solid #f1b94b; background: #fff8e8; color: var(--usim-amber); }
.comparison-table .is-available { color: var(--usim-green); font-weight: 900; }
.comparison-note { margin: 16px 0 0; color: var(--usim-muted); font-size: 13px; line-height: 1.55; text-align: center; }
.faq-section { max-width: 920px; margin: 0 auto; }
.faq-section header { margin-bottom: 27px; }
.faq-section h2 { text-align: center; }
.guide-page .faq-list { display: grid; gap: 12px; border-top: 0; }
.guide-page .faq-list .faq-item { position: relative; overflow: hidden; border: 1px solid #d8e5de; border-radius: 16px; background: #fff; box-shadow: 0 8px 24px rgba(17, 66, 49, .035); }
.guide-page .faq-list .faq-item[open] { border-color: #a3d6bd; background: linear-gradient(105deg, #f2fbf6 0%, #fbfefc 100%); box-shadow: 0 12px 28px rgba(8, 104, 70, .07); }
.guide-page .faq-list .faq-item[open]::before { position: absolute; top: 0; bottom: 0; left: 0; width: 6px; background: #0a9b61; content: ""; }
.guide-page .faq-list .faq-question { position: relative; display: flex; align-items: center; justify-content: flex-start; gap: 20px; min-height: 76px; padding: 13px 64px 13px 18px; color: var(--usim-ink); font-size: 18px; font-weight: 900; letter-spacing: -.035em; cursor: pointer; list-style: none; }
.guide-page .faq-list .faq-question::-webkit-details-marker { display: none; }
.guide-page .faq-list .faq-question::after { content: "+"; position: absolute; right: 22px; top: 50%; color: var(--usim-green); font-size: 29px; font-weight: 400; transform: translateY(-50%); }
.guide-page .faq-list .faq-item[open] .faq-question::after { content: "−"; }
.guide-page .faq-list .faq-index { display: grid; flex: 0 0 48px; width: 48px; height: 48px; place-items: center; border: 1px solid #dbe5e0; border-radius: 50%; background: rgba(255, 255, 255, .9); color: var(--usim-green); font-size: 18px; font-weight: 900; letter-spacing: -.04em; box-shadow: 0 5px 14px rgba(12, 69, 49, .04); transition: none; transform: none; }
.guide-page .faq-list .faq-item--kt .faq-index { color: var(--usim-blue); }
.guide-page .faq-list .faq-item--lg .faq-index { color: var(--usim-magenta); }
.guide-page .faq-list .faq-item--nfc .faq-index { color: var(--usim-amber); }
.guide-page .faq-list .faq-label { display: block; flex: 1 1 auto; width: auto; min-width: 0; height: auto; padding-left: 20px; place-items: initial; border-left: 1px solid #d5e3dc; border-radius: 0; background: transparent; color: inherit; font-size: inherit; transition: none; transform: none; }
.guide-page .faq-list .faq-answer { padding: 0 64px 25px 87px; color: var(--usim-copy); font-size: 16px; line-height: 1.7; }
.guide-page .faq-list .faq-answer p { margin: 0; padding: 0; color: inherit; font: inherit; }
.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 34px; padding: 24px 28px; border: 1px solid #a8d9c1; border-radius: 18px; background: linear-gradient(100deg, #effcf5 0%, #e1f8ec 100%); }
.final-cta h2 { margin: 0; color: var(--usim-green-dark); font-size: 25px; font-weight: 900; letter-spacing: -.055em; }
.final-cta p { margin: 7px 0 0; color: var(--usim-copy); font-size: 15px; }
.final-cta .guide-button { flex: 0 0 auto; min-width: 210px; background: var(--usim-green); }

.guide-button:focus-visible, .usim-tabs button:focus-visible, .faq-question:focus-visible { outline: 3px solid #111827; outline-offset: 3px; }

@media (min-width: 720px) {
  .usim-purchase-panel { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); }
  .usim-purchase-body { display: flex; flex-direction: column; justify-content: center; }
}

@media (max-width: 719px) {
  .guide-page { padding-bottom: 112px; }
  .guide-wrap { width: calc(100% - 28px); max-width: 1040px; }
  .guide-hero { padding: 34px 0 22px; }
  .guide-kicker { margin-bottom: 12px; font-size: 14px; }
  .guide-answer h1, .guide-hero h1 { font-size: clamp(30px, 9vw, 34px); line-height: 1.2; word-break: keep-all; }
  .guide-title-mobile-break { display: inline; }
  .guide-answer p, .guide-hero .guide-answer > p, .guide-hero > .guide-wrap > p:not(.guide-kicker) { margin-top: 14px; font-size: 16px; line-height: 1.58; }
  .usim-tabs { margin-top: 23px; }
  .usim-tabs button { min-height: 55px; font-size: 17px; }
  .compare-section { padding-top: 16px; }
  .usim-purchase-panel { border-radius: 22px; }
  .product-stage { min-height: 410px; padding: 32px 22px 46px; }
  .product-stage img { width: auto; height: clamp(248px, 70vw, 276px); max-width: 88%; }
  .product-caption { bottom: 17px; font-size: 12px; }
  .usim-purchase-body { padding: 32px 22px 24px; }
  .product-heading-row { align-items: flex-start; flex-direction: column; gap: 0; }
  .product-heading-row h2, .usim-purchase-body h2 { font-size: 32px; }
  .product-price { margin-top: 8px; font-size: 20px; }
  .product-price strong { font-size: 34px; }
  .usim-summary { margin-top: 12px; font-size: 15px; }
  .usim-facts {
    width: 100%;
    margin-top: 22px;
    padding: 0;
    list-style: none;
  }
  .usim-fact { grid-template-columns: 1fr; justify-items: center; gap: 6px; padding: 14px 5px; font-size: 12px; text-align: center; }
  .fact-icon { width: 36px; height: 36px; border-radius: 11px; font-size: 18px; }
  .nfc-note { align-items: flex-start; font-size: 12px; }
  .nfc-note > span:last-child { min-width: 0; }
  .store-block { align-items: flex-start; flex-direction: column; gap: 10px; padding: 20px 0; }
  .store-logos { width: 100%; margin: 16px 0; padding: 0; justify-content: center; list-style: none; }
  .store-logo { width: 76px; height: 38px; }
  .store-logo img { height: 25px; max-width: 64px; }
  .store-logo:has(img[src*="emart"]) { width: 96px; }
  .store-logo:has(img[src*="baemin"]) { width: 108px; }
  .store-block > p { align-self: stretch; }
  .purchase-choice { grid-template-columns: 1fr; gap: 9px; }
  .guide-button { min-height: 57px; border-radius: 14px; font-size: 16px; }
  .trust-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    margin-top: 14px;
    margin-bottom: 0;
    padding: 0;
    list-style: none;
  }
  .trust-item { grid-template-columns: 1fr; justify-items: center; gap: 7px; padding: 13px 7px 14px; font-size: 10px; line-height: 1.35; text-align: center; }
  .trust-item strong { font-size: 11px; }
  .trust-icon { width: 34px; height: 34px; font-size: 18px; }
  .help-section { padding: 23px 0 52px; }
  .photo-help { align-items: flex-start; flex-direction: column; gap: 17px; padding: 22px 20px; }
  .photo-help h2 { font-size: 21px; }
  .photo-help p { font-size: 14px; }
  .photo-help .guide-button { width: 100%; justify-content: center; padding: 8px 14px 8px 9px; }
  .kakao-button-logo { flex-basis: 34px; width: 34px; height: 34px; }
  .detail-section { padding: 53px 0; }
  .detail-intro { margin-bottom: 24px; }
  .detail-intro h2, .detail-section > .guide-wrap > h2, .faq-section h2 { font-size: 27px; }
  .detail-intro p { font-size: 15px; }
  .detail-intro .attention-kicker { margin-bottom: 12px; padding: 6px 14px; font-size: 13px; }
  .purchase-steps { grid-template-columns: 1fr; gap: 10px; margin-bottom: 42px; }
  .purchase-step { grid-template-columns: 48px minmax(0, 1fr); gap: 12px; padding: 12px 4px; }
  .purchase-step + .purchase-step::before { display: none; }
  .purchase-step > span { width: 48px; height: 48px; font-size: 19px; }
  .purchase-step h3 { font-size: 15px; }
  .purchase-step p { font-size: 13px; }
  .compare-block { margin-bottom: 50px; }
  .compare-block header { margin-bottom: 20px; }
  .compare-block header .section-kicker::before, .compare-block header .section-kicker::after { width: 26px; }
  .compare-block h2 { font-size: 30px; line-height: 1.25; }
  .comparison-table-wrap { overflow-x: clip; }
  .comparison-table { width: 100%; min-width: 0; table-layout: fixed; font-size: 12px; }
  .comparison-table th, .comparison-table td { padding: 13px 6px; }
  .comparison-table thead th { height: 68px; padding: 11px 5px; font-size: 14px; }
  .comparison-table thead th:first-child, .comparison-table tbody th { width: 29%; }
  .comparison-network-title { max-width: 100%; padding-bottom: 7px; line-height: 1.35; text-align: center; word-break: keep-all; }
  .comparison-network-title::after { width: 30px; height: 3px; }
  .comparison-table tbody th { font-size: 13px; }
  .comparison-table tbody td { height: 76px; font-size: 13px; word-break: keep-all; overflow-wrap: anywhere; }
  .compare-row-label { flex-direction: column; justify-content: center; gap: 5px; text-align: center; }
  .compare-row-icon { flex-basis: 30px; width: 30px; height: 30px; border-radius: 9px; }
  .compare-row-icon svg { width: 21px; height: 21px; }
  .comparison-note { margin-top: 13px; font-size: 12px; }
  .faq-section header { margin-bottom: 21px; }
  .faq-section h2 { font-size: 30px; line-height: 1.25; }
  .guide-page .faq-list { gap: 10px; }
  .guide-page .faq-list .faq-item { border-radius: 14px; }
  .guide-page .faq-list .faq-item[open]::before { width: 5px; }
  .guide-page .faq-list .faq-question { gap: 11px; min-height: 80px; padding: 13px 44px 13px 13px; font-size: 16px; line-height: 1.4; }
  .guide-page .faq-list .faq-question::after { right: 15px; font-size: 25px; }
  .guide-page .faq-list .faq-index { flex-basis: 42px; width: 42px; height: 42px; font-size: 15px; }
  .guide-page .faq-list .faq-label { padding-left: 11px; }
  .guide-page .faq-list .faq-answer { padding: 0 16px 20px 68px; font-size: 15px; line-height: 1.65; }
  .final-cta { align-items: stretch; flex-direction: column; gap: 17px; padding: 22px 20px; }
  .final-cta h2 { font-size: 22px; }
  .final-cta p { font-size: 14px; }
  .final-cta .guide-button { width: 100%; min-width: 0; }
}

@media (max-width: 370px) {
  .guide-wrap { width: calc(100% - 24px); }
  .guide-answer h1, .guide-hero h1 { font-size: 30px; }
  .product-stage { min-height: 390px; }
  .product-stage img { height: 250px; }
  .usim-purchase-body { padding-right: 18px; padding-left: 18px; }
  .product-heading-row h2, .usim-purchase-body h2 { font-size: 30px; }
  .store-logo { width: 72px; }
  .store-logo:has(img[src*="emart"]) { width: 90px; }
  .store-logo:has(img[src*="baemin"]) { width: 102px; }
}

@media (prefers-reduced-motion: reduce) {
  .usim-tabs button, .guide-button { transition: none; }
  .guide-button:hover { transform: none; }
}

/* Comparison table: a classic three-column grid on desktop. On mobile each row
 * becomes one compact comparison group so KT and LG remain visible together. */
.comparison-table-wrap {
  position: relative;
  overflow-x: auto;
  border: 1px solid #cfe3d7;
  border-top: 3px solid var(--usim-green);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(17, 66, 49, .055);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
  scrollbar-color: #8fc8a9 #eef8f2;
  scrollbar-width: thin;
}
.comparison-table-wrap::-webkit-scrollbar { height: 9px; }
.comparison-table-wrap::-webkit-scrollbar-track { background: #eef8f2; border-radius: 999px; }
.comparison-table-wrap::-webkit-scrollbar-thumb { background: #8fc8a9; border: 2px solid #eef8f2; border-radius: 999px; }
.comparison-table {
  width: 100%;
  min-width: 760px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  color: #263b32;
  font-size: 16px;
  text-align: center;
}
.comparison-table thead th:first-child,
.comparison-table tbody th { width: 220px; }
.comparison-table th,
.comparison-table td { vertical-align: middle; }
.comparison-table thead th {
  height: 80px;
  padding: 18px 20px;
  border-bottom: 1px solid #cfe3d7;
  background: #fff;
}
.comparison-table thead th:first-child { border-top-left-radius: 13px; }
.comparison-table thead th:last-child { border-top-right-radius: 13px; }
.comparison-table tbody tr:last-child th { border-bottom-left-radius: 13px; }
.comparison-table tbody tr:last-child td:last-child { border-bottom-right-radius: 13px; }
.comparison-table tbody th,
.comparison-table tbody td { height: 82px; padding: 18px 20px; }
.comparison-table tbody tr:hover th,
.comparison-table tbody tr:hover td { background-color: #fbfefc; }
.comparison-table tbody td { border-bottom-color: #dcebe2; }
.compare-row-label {
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.compare-row-icon {
  width: 40px;
  height: 40px;
  flex-basis: 40px;
  border: 1px solid #cfe8d9;
  border-radius: 12px;
  background: #f0faf5;
}
.comparison-table tbody tr:nth-child(2) .compare-row-icon { border-color: #cfe0f8; background: #f2f7ff; color: #2861b7; }
.comparison-table tbody tr:nth-child(3) .compare-row-icon { border-color: #ddd5f4; background: #f7f4ff; color: #6d4abb; }
.comparison-table tbody tr:nth-child(4) .compare-row-icon { border-color: #c8e7ec; background: #effbfc; color: #0a8491; }
.comparison-table tbody tr:nth-child(5) .compare-row-icon { border-color: #f1b94b; background: #fff8e8; color: var(--usim-amber); }
.comparison-table td { overflow-wrap: anywhere; }
.comparison-scroll-hint {
  display: none;
  margin: 0;
  padding: 9px 13px;
  border-bottom: 1px solid #dcebe2;
  background: #f5fbf7;
  color: var(--usim-green-dark);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
}

@media (max-width: 719px) {
  .comparison-table-wrap {
    overflow: hidden;
    padding: 0 9px 10px;
    border-radius: 14px;
    background: #f4faf6;
  }
  .comparison-scroll-hint { display: none; }
  .comparison-table {
    display: block;
    width: 100%;
    min-width: 0;
    table-layout: auto;
    background: transparent;
    font-size: 13px;
  }
  .comparison-table thead,
  .comparison-table tbody { display: block; }
  .comparison-table thead { margin: 0 -9px 9px; }
  .comparison-table thead tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .comparison-table thead th:first-child { display: none; }
  .comparison-table thead th {
    display: flex;
    width: auto;
    height: auto;
    min-height: 62px;
    min-width: 0;
    align-items: center;
    justify-content: center;
    padding: 10px 8px;
    border-right: 1px solid #d3e5db;
    border-bottom: 1px solid #cfe3d7;
    background: #fff;
    font-size: 13px;
  }
  .comparison-table thead th:last-child { border-right: 0; }
  .comparison-network-title {
    max-width: 100%;
    padding-bottom: 7px;
    line-height: 1.3;
    text-align: center;
    word-break: keep-all;
  }
  .comparison-network-title::after { width: 32px; height: 2px; }
  .comparison-table tbody {
    display: grid;
    gap: 8px;
  }
  .comparison-table tbody tr {
    display: grid;
    overflow: hidden;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    border: 1px solid #d4e7dc;
    border-radius: 12px;
    background: #fff;
  }
  .comparison-table tbody th {
    display: flex;
    grid-column: 1 / -1;
    width: auto;
    min-width: 0;
    height: auto;
    min-height: 42px;
    align-items: center;
    padding: 7px 10px;
    border-right: 0;
    border-bottom: 1px solid #dbeae2;
    background: #f2faf6;
    font-size: 13px;
    border-radius: 0;
    text-align: left;
  }
  .comparison-table tbody td {
    display: flex;
    min-width: 0;
    height: auto;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 9px 7px;
    border-right: 1px solid #e0ece5;
    border-bottom: 0;
    color: #183229;
    font-size: 12.5px;
    font-weight: 700;
    line-height: 1.4;
    overflow-wrap: anywhere;
    border-radius: 0;
    text-align: center;
    word-break: keep-all;
  }
  .comparison-table tbody td:last-child { border-right: 0; }
  .comparison-table tbody td:nth-child(2) { background: rgba(30, 102, 255, .025); }
  .comparison-table tbody td:nth-child(3) { background: rgba(233, 28, 120, .02); }
  .comparison-table tbody tr:hover th { background-color: #f2faf6; }
  .comparison-table tbody tr:hover td:nth-child(2) { background-color: rgba(30, 102, 255, .025); }
  .comparison-table tbody tr:hover td:nth-child(3) { background-color: rgba(233, 28, 120, .02); }
  .compare-row-label {
    flex-direction: row;
    justify-content: flex-start;
    gap: 8px;
    text-align: left;
  }
  .compare-row-icon {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    border-radius: 8px;
  }
  .compare-row-icon svg { width: 19px; height: 19px; }
}