:root{color-scheme:light;--navy:#153d71;--ink:#152d4c;--blue:#285b96;--muted:#586776;--line:#dce4eb;--pale:#f0f5f9;--white:#fff;--font:"Pretendard","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:7rem}body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.75;word-break:keep-all;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;width:100%;height:auto}p,h1,h2,h3,figure,dl,dd{margin:0}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #407cbd;outline-offset:6px}::selection{background:#d2e2f2;color:var(--navy)}.skip-link{position:fixed;z-index:100;left:1rem;top:-6rem;background:var(--navy);color:#fff;padding:.8rem 1.25rem}.skip-link:focus{top:1rem}.site-header{background:rgba(255,255,255,.97);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(21,61,113,.08)}.header-inner{max-width:1536px;min-height:102px;margin:auto;padding:15px 5%;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:inline-flex;flex-direction:column;align-items:center;flex-shrink:0}.wordmark{font-family:Georgia,"Times New Roman",serif;font-size:2.7rem;line-height:1;letter-spacing:-.055em;color:var(--navy);font-weight:400}.brand-period{color:#5284ad}.brand-caption{font-size:.75rem;letter-spacing:.21em;margin-top:.5rem;font-weight:600}.main-nav{display:flex;align-items:center;gap:2.7rem;font-size:.875rem;font-weight:500}.main-nav a{position:relative;padding:12px 0}.main-nav a:after{content:"";position:absolute;bottom:7px;left:0;width:100%;height:1px;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform .2s}.main-nav a:hover:after{transform:scaleX(1)}.main-nav .nav-promise{margin-left:.8rem;color:var(--navy)}.nav-promise span{margin-left:.5rem}.menu-toggle{display:none}.hero{background:var(--pale)}.hero-inner{max-width:1600px;min-height:704px;margin:auto;display:grid;grid-template-columns:1.08fr 1fr}.hero-copy{padding:91px 6% 43px 9.25%;display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:1}.eyebrow{color:var(--navy);font-size:.75rem;letter-spacing:.145em;font-weight:650;line-height:1.5}.hero h1{font-size:clamp(2.8rem,4.45vw,4.45rem);font-weight:560;letter-spacing:-.062em;line-height:1.26;margin:30px 0 25px}.full-stop{color:#487ba9}.hero-description{font-size:1.2rem;line-height:1.85;letter-spacing:-.035em;color:#3b5269}.hero-subcopy{font-size:.94rem;color:var(--muted);margin-top:13px;letter-spacing:-.035em}.button{min-height:54px;display:inline-flex;align-items:center;justify-content:space-between;gap:36px;background:var(--navy);color:#fff;padding:13px 23px;font-size:.9375rem;margin-top:32px;transition:background .2s,transform .2s}.button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.4}.button:hover{background:#245991;transform:translateY(-2px)}.hero-bottom{display:flex;align-items:center;gap:13px;margin-top:auto;padding-top:48px;font-size:.75rem;color:#64788b;letter-spacing:-.01em}.fine-line{width:32px;height:1px;background:#7f9bb7}.hero-visual{position:relative;min-width:0;overflow:hidden;margin-top:28px;border-radius:160px 0 0 0}.hero-visual>img{height:100%;position:absolute;inset:0;object-fit:cover;object-position:63% 50%}.hero-visual:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,rgba(12,31,42,.16));pointer-events:none}.photo-note{position:absolute;left:32px;bottom:79px;z-index:1;display:flex;align-items:flex-start;gap:14px;padding:21px 27px;background:rgba(255,255,255,.94);border-left:2px solid var(--navy);box-shadow:0 6px 35px #122d4210}.photo-note p{font-size:.9375rem;line-height:1.8;letter-spacing:-.025em}.photo-note strong{font-weight:600}.photo-caption{position:absolute;bottom:31px;left:34px;z-index:1;font-size:.75rem;letter-spacing:.17em;color:#fff;text-shadow:0 1px 3px #182e32}.values-ribbon{background:var(--navy);color:#fff;display:grid;grid-template-columns:repeat(3,1fr);padding:25px max(5%,calc((100% - 1382px)/2));font-size:.875rem}.values-ribbon>div{text-align:center;line-height:1.7;padding:2px 14px;border-right:1px solid #ffffff30;white-space:nowrap}.values-ribbon>div:last-child{border:0}.values-ribbon span{font-family:Georgia,serif;color:#abc1da;margin-right:17px;font-size:.9375rem}.section-shell{max-width:1382px;width:90%;margin:0 auto}.story{padding:122px 0 116px;display:grid;grid-template-columns:1fr 2fr;gap:60px}.section-index{display:flex;align-items:center;gap:18px;width:100%;height:24px}.index-rule{height:1px;background:#b8c9da;flex:1;max-width:55px}.index-number{font-size:.75rem;letter-spacing:.05em;color:#7c8fa4;font-family:Georgia,serif}.story>.section-index{margin-top:14px}.story h2,.product-copy h2,.section-heading h2{font-weight:550;letter-spacing:-.055em;line-height:1.4;font-size:clamp(1.95rem,3vw,2.85rem)}.story-body{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:35px;color:var(--muted);letter-spacing:-.025em}.story-body p{line-height:1.95}.story-signature{font-family:Georgia,"Times New Roman",serif;font-size:1.65rem;font-style:italic;letter-spacing:-.025em;color:#3f6991;margin-top:38px}.product-section{background:var(--pale)}.product-inner{display:grid;grid-template-columns:1fr 1fr;gap:9%;padding-top:84px;padding-bottom:84px;align-items:center}.product-visual{position:relative;background:#e8edf1}.product-visual img{aspect-ratio:4/5;object-fit:cover}.product-visual figcaption{position:absolute;left:28px;right:28px;bottom:24px;display:flex;justify-content:space-between;align-items:center;color:var(--navy);gap:12px}.product-visual figcaption span:first-child{font-family:Georgia,serif;font-size:1.375rem;letter-spacing:-.03em}.product-visual figcaption span:last-child{font-size:.75rem;letter-spacing:.16em}.product-copy .section-index{margin-bottom:37px}.product-name{font-size:.9375rem;color:var(--blue);font-weight:550;margin-bottom:15px;letter-spacing:-.025em}.section-description{font-size:1rem;color:var(--muted);margin-top:23px;line-height:1.9;letter-spacing:-.035em}.product-details{margin-top:35px}.product-details>div{padding:17px 0;border-top:1px solid #cfdae4}.product-details dt{font-size:1rem;font-weight:550;display:flex;gap:16px;align-items:center;letter-spacing:-.025em}.detail-number{font-size:.75rem;font-weight:400;color:#7288a0;font-family:Georgia,serif;letter-spacing:.04em}.product-details dd{font-size:.875rem;color:var(--muted);padding-left:31px;margin-top:3px;letter-spacing:-.025em}.text-link{display:inline-flex;gap:32px;align-items:center;border-bottom:1px solid #89a3bc;font-size:.875rem;margin-top:17px;padding:3px 0 7px;transition:color .2s}.text-link:hover{color:#326ca4}.text-link span{font-size:1.3rem}.how-to{padding:115px 0 106px}.section-heading{margin-top:31px;display:flex;justify-content:space-between;align-items:flex-end;gap:36px}.section-heading h2{font-size:clamp(1.95rem,2.8vw,2.6rem)}.section-heading>p{font-size:.9375rem;letter-spacing:-.025em;color:var(--muted);padding-bottom:7px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:51px 0 24px}.steps>li{border-top:1px solid #acbfd2;padding:30px 32px 24px 0;margin-right:32px}.steps>li:last-child{margin-right:0}.step-number{font-family:Georgia,"Times New Roman",serif;display:block;color:#6485a8;font-size:3.2rem;line-height:1.1;letter-spacing:-.055em;margin-bottom:27px}.step-content h3{font-weight:600;font-size:1.2rem;letter-spacing:-.035em;margin-bottom:11px}.step-content p{color:var(--muted);font-size:1rem;letter-spacing:-.035em;line-height:1.8}.usage-note{color:#778390;font-size:.875rem;letter-spacing:-.025em;border-top:1px solid var(--line);padding-top:23px}.promise{background:var(--navy);color:#fff;position:relative;overflow:hidden}.promise-inner{padding:104px 0 101px;position:relative;z-index:1}.promise .eyebrow{color:#aec5e1;font-size:.75rem}.promise h2{font-size:clamp(2.4rem,4.05vw,3.9rem);line-height:1.4;letter-spacing:-.055em;font-weight:500;margin:25px 0 23px}.promise-inner>p:not(.eyebrow){color:#d1dfed;font-size:1rem;line-height:1.95;letter-spacing:-.02em}.promise-signoff{display:flex;align-items:center;gap:20px;margin-top:36px;color:#e1eaf4;font-size:.875rem}.promise-rule{width:35px;height:1px;background:#819dbe}.signature-brand{font-family:Georgia,"Times New Roman",serif;font-style:italic;font-size:1.7rem;letter-spacing:-.05em}.promise-outline{position:absolute;right:1.2%;bottom:-20px;font-family:Georgia,"Times New Roman",serif;font-size:clamp(10rem,26vw,30rem);line-height:1;font-style:italic;letter-spacing:-.07em;color:transparent;-webkit-text-stroke:1px #ffffff20;pointer-events:none;user-select:none}.site-footer{max-width:1536px;margin:auto;padding:55px 5% 25px}.footer-top{display:flex;align-items:center;gap:50px;padding-bottom:45px}.footer-wordmark{font-size:3.65rem;flex-shrink:0}.footer-top p{font-size:.875rem;line-height:1.85;color:var(--muted);letter-spacing:-.015em}.back-to-top{margin-left:auto;font-size:.875rem;display:flex;gap:25px;align-items:center;padding:12px 0}.back-to-top span{font-size:1.4rem}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:23px;font-size:.75rem;color:#718091;letter-spacing:.01em}.mobile-break{display:none}
@media(min-width:1600px){.hero-copy{padding-left:calc((1600px - 1382px)/2)}.hero{background:linear-gradient(to right,var(--pale) 50%,#edf1f2 50%)}.hero-inner{max-width:1600px}.hero-visual{border-radius:160px 0 0 0}}
@media(max-width:1150px){.main-nav{gap:1.8rem}.hero-inner{min-height:660px;grid-template-columns:1.1fr 1fr}.hero-copy{padding-top:74px}.hero h1{font-size:3.2rem}.hero-subcopy{max-width:320px}.hero-bottom{font-size:.75rem}.story{gap:40px;grid-template-columns:.7fr 2fr;padding:94px 0}.story-body{gap:25px;font-size:.9375rem}.product-inner{gap:6%;padding:70px 0}.product-copy .section-index{margin-bottom:25px}.product-details{margin-top:25px}.product-details>div{padding:13px 0}.section-heading{display:block}.section-heading>p{margin-top:17px;padding:0}.how-to{padding:90px 0}.promise-inner{padding:85px 0}}
@media(max-width:800px){html{scroll-padding-top:6rem}.header-inner{min-height:82px;padding:14px 6%;gap:1rem}.wordmark{font-size:2.25rem}.brand-caption{font-size:.75rem;letter-spacing:.15em;margin-top:.4rem}.menu-toggle{display:flex;flex-direction:column;gap:7px;align-items:center;justify-content:center;width:44px;height:44px;border:0;background:none;color:var(--navy);padding:8px;cursor:pointer}.menu-toggle span{display:block;height:1px;width:23px;background:currentColor;transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 12px 24px #153d7110;padding:12px 6% 25px;border-top:1px solid var(--line);font-size:1rem}.main-nav.is-open{display:flex;align-items:stretch;flex-direction:column;gap:0}.main-nav a{padding:13px 2px;min-height:48px}.main-nav .nav-promise{margin-left:0}.main-nav a:after{display:none}.hero-inner{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:47px 6% 35px}.eyebrow{font-size:.75rem;letter-spacing:.13em}.hero h1{font-size:clamp(2.6rem,7.8vw,3.7rem);margin:25px 0 23px;letter-spacing:-.06em}.hero-description{font-size:1.1rem;line-height:1.85}.hero-subcopy{font-size:.9375rem;max-width:none;margin-top:9px;max-width:340px}.button{margin-top:26px;min-height:51px;padding:12px 20px;gap:39px;font-size:.875rem}.hero-bottom{display:none}.hero-visual{margin:0 0 0 6%;min-height:355px;aspect-ratio:1.42;border-radius:100px 0 0 0}.hero-visual>img{object-position:57% 55%}.photo-note{left:23px;bottom:46px;padding:16px 20px}.photo-note p{font-size:.875rem}.photo-caption{left:25px;bottom:18px;font-size:.75rem}.values-ribbon{padding:19px 5%;font-size:.8125rem;gap:6px}.values-ribbon>div{white-space:normal;padding:2px 9px;line-height:1.6}.values-ribbon span{display:block;font-size:.75rem;margin:0 0 4px;color:#a7c0dd}.section-shell{width:88%}.story{padding:69px 0 72px;display:block}.section-index{gap:14px}.story>.section-index{margin:0 0 29px}.story h2,.product-copy h2{font-size:clamp(1.9rem,5.8vw,2.5rem);line-height:1.45}.story-body{margin-top:25px;gap:23px;font-size:1rem}.desktop-break{display:none}.story-signature{font-size:1.4rem;margin-top:28px}.product-inner{grid-template-columns:1fr 1fr;gap:6%;padding-top:56px;padding-bottom:57px;align-items:start}.product-copy .section-index{margin-bottom:25px}.product-visual{position:sticky;top:110px}.product-visual figcaption{left:16px;right:16px;bottom:15px}.product-visual figcaption span:first-child{font-size:1.1rem}.product-visual figcaption span:last-child{display:none}.product-name{font-size:.875rem;margin-bottom:12px}.section-description{font-size:.9375rem;line-height:1.9;margin-top:16px}.section-description br{display:none}.product-details dt{font-size:.9375rem;gap:12px}.product-details dd{font-size:.875rem;padding-left:26px;margin-top:4px}.text-link{font-size:.875rem;gap:20px}.how-to{padding:69px 0 64px}.section-heading{margin-top:28px}.section-heading h2{font-size:1.9rem}.section-heading>p{font-size:.9375rem;margin-top:15px}.steps{margin-top:33px}.steps>li{padding:23px 12px 20px 0;margin-right:22px}.step-number{font-size:2.7rem;margin-bottom:20px}.step-content h3{font-size:1.1rem;line-height:1.5}.step-content p{font-size:.9375rem}.step-content br{display:none}.usage-note{font-size:.875rem}.promise-inner{padding-top:66px;padding-bottom:68px}.promise h2{font-size:2.65rem;margin-top:25px}.promise-inner>p:not(.eyebrow){font-size:.9375rem;line-height:1.95;max-width:380px}.promise-outline{bottom:3%;right:1%;font-size:13rem;opacity:.6}.promise-signoff{gap:13px;font-size:.8125rem;margin-top:29px}.signature-brand{font-size:1.45rem}.site-footer{padding:36px 6% 23px}.footer-top{gap:26px;flex-wrap:wrap;padding-bottom:26px}.footer-wordmark{font-size:3rem}.footer-top p{font-size:.8125rem}.back-to-top{font-size:.8125rem;gap:14px}.footer-bottom{font-size:.75rem;flex-direction:column;gap:7px;padding-top:21px}}
@media(max-width:560px){.hero-copy{padding-top:39px}.hero h1{font-size:clamp(2.55rem,9.6vw,3.45rem);line-height:1.3}.hero-description{font-size:1.0625rem}.hero-subcopy{font-size:.875rem;max-width:295px;line-height:1.8}.hero-visual{min-height:280px;aspect-ratio:1.22;border-top-left-radius:85px}.photo-note{left:20px;bottom:43px;padding:13px 18px}.photo-note p{font-size:.8125rem}.photo-caption{left:22px}.values-ribbon{font-size:.75rem;padding:17px 4%}.values-ribbon>div{padding:0 11px}.story-body{grid-template-columns:1fr;gap:20px}.story h2,.product-copy h2{font-size:1.92rem}.story-signature{margin-top:27px;font-size:1.35rem}.product-inner{display:flex;flex-direction:column;gap:37px;padding-top:39px;padding-bottom:52px}.product-visual{position:relative;top:auto;width:100%}.product-visual img{aspect-ratio:1/1.05;object-position:50% 48%}.product-visual figcaption{left:23px;right:23px;bottom:20px}.product-visual figcaption span:last-child{display:block;font-size:.75rem}.product-copy{width:100%}.product-copy .section-index{margin-bottom:24px}.section-description{font-size:1rem;max-width:340px}.product-details{margin-top:27px}.product-details>div{padding:15px 0}.product-details dt{font-size:1rem}.product-details dd{font-size:.875rem}.text-link{margin-top:17px}.section-heading h2{font-size:1.9rem;line-height:1.45}.section-heading>p{font-size:.9375rem;max-width:285px}.mobile-break{display:block}.steps{grid-template-columns:1fr;margin:31px 0 7px}.steps>li{display:flex;align-items:flex-start;gap:25px;margin:0;padding:23px 0 25px}.step-number{font-size:2.45rem;min-width:49px;margin:0;line-height:1.2;padding-top:2px}.step-content h3{font-size:1.125rem;margin-bottom:7px}.step-content p{font-size:1rem;line-height:1.75}.step-content br{display:block}.usage-note{font-size:.875rem;line-height:1.7;padding-top:21px}.promise h2{font-size:2.25rem;line-height:1.45}.promise-inner>p:not(.eyebrow){font-size:.9375rem;max-width:320px}.promise-inner>p:not(.eyebrow)>br:not(.mobile-break){display:none}.promise-signoff{flex-wrap:wrap;row-gap:8px}.promise-outline{font-size:10.5rem;bottom:-7px;right:-12px}.footer-top{gap:22px;position:relative;align-items:flex-start}.footer-wordmark{width:100%;font-size:2.85rem}.footer-top p{font-size:.875rem}.back-to-top{position:absolute;right:0;bottom:25px}.footer-bottom{font-size:.75rem}.usage-note{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.promise-inner > p:not(.eyebrow) + p { margin-top: 1.25rem; }

/* Maintain legible text across screen sizes. */
.hero-subcopy,.story-body,.section-description,.step-content p,.promise-inner>p:not(.eyebrow){font-size:1rem}