* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #111;
  background: #f7f6f2;
  font-family: Pretendard, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  word-break: keep-all;
}

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

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 84px;
  display: grid;
  grid-template-columns: 220px 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 0 36px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.12);
  background: rgba(247, 246, 242, 0.9);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 170px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: #202020;
  font-size: 0.84rem;
  font-weight: 900;
}

.desktop-nav a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  border-color: #111;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(17, 17, 17, 0.16);
  border-radius: 999px;
  background: #fff;
}

.lang-switch a {
  min-width: 34px;
  padding: 8px 9px;
  border-radius: 999px;
  color: #555;
  font-size: 0.72rem;
  font-weight: 900;
  text-align: center;
}

.lang-switch a[aria-current="true"] {
  color: #fff;
  background: #111;
}

.menu-toggle {
  width: 48px;
  height: 48px;
  display: none;
  place-items: center;
  gap: 5px;
  border: 1px solid rgba(17, 17, 17, 0.16);
  border-radius: 50%;
  background: #fff;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  display: block;
  background: #111;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  width: min(86vw, 360px);
  padding: 24px;
  background: #fff;
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.14);
  transform: translateX(110%);
  transition: transform 220ms ease;
}

body.drawer-open .mobile-drawer {
  transform: translateX(0);
}

.drawer-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 22px;
}

.drawer-top img {
  width: 142px;
}

.drawer-top button {
  border: 0;
  background: transparent;
  font-weight: 900;
}

.mobile-lang {
  margin-bottom: 20px;
}

.drawer-nav {
  display: grid;
  gap: 4px;
}

.drawer-nav a {
  padding: 15px 0;
  border-bottom: 1px solid #e7e2dc;
  font-size: 1.05rem;
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 86svh;
  display: flex;
  align-items: flex-end;
  padding: 120px 36px 58px;
  overflow: hidden;
  color: #fff;
  background: #111;
}

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

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.18) 48%, rgba(0, 0, 0, 0.62));
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  margin: 0 auto;
}

.hero-copy p,
.section-title p,
.bookmark-band p,
.detail-hero p,
.plain-hero p {
  margin: 0 0 14px;
  color: #777;
  font-size: 0.88rem;
  font-weight: 900;
}

.hero-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.hero-copy h1 {
  margin: 0;
  font-size: 7.2rem;
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy span {
  width: min(680px, 100%);
  display: block;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.35rem;
  line-height: 1.55;
  font-weight: 800;
}

.hero-copy a,
.bookmark-band a {
  display: inline-flex;
  margin-top: 30px;
  padding: 14px 18px;
  border: 1px solid currentColor;
  font-size: 0.92rem;
  font-weight: 900;
}

.tool-overview,
.bookmark-band,
.detail-main,
.support-main {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.tool-overview {
  padding: 86px 0 34px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: end;
  margin-bottom: 28px;
}

.section-title h2,
.bookmark-band h2,
.plain-hero h1 {
  margin: 0;
  font-size: 3.2rem;
  line-height: 1;
}

.tool-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tool-link {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid #ded8cf;
  background: #fff;
}

.tool-link img {
  width: 100%;
  height: 230px;
  object-fit: contain;
  object-position: top;
}

.tool-link-copy {
  display: grid;
  gap: 10px;
  order: 2;
}

.tool-link-copy span {
  margin-top: 0;
  font-size: 1.42rem;
  font-weight: 950;
}

.tool-link-copy strong {
  color: #666;
  font-size: 0.92rem;
  line-height: 1.45;
}

.bookmark-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 76px;
  padding: 28px 32px;
  border: 1px solid #ded8cf;
  background: #fff;
}

.bookmark-band span,
.plain-hero span,
.detail-hero span {
  display: block;
  margin-top: 16px;
  color: #666;
  font-size: 1.06rem;
  line-height: 1.55;
  font-weight: 800;
}

.detail-main {
  padding: 104px 0 80px;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: 54px;
  align-items: center;
  min-height: 410px;
  padding: 22px 0 30px;
  border-bottom: 1px solid #ded8cf;
}

.detail-hero h1 {
  margin: 0;
  font-size: 6.2rem;
  line-height: 0.92;
}

.detail-hero img {
  width: min(300px, 100%);
  justify-self: center;
  border: 1px solid #ded8cf;
  border-radius: 32px;
  background: #fff;
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.1);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 28px;
}

.feature-list article {
  position: relative;
  min-height: 260px;
  padding: 30px 30px 28px;
  border: 1px solid #ded8cf;
  background: #fff;
}

.feature-icon {
  width: auto;
  height: 92px;
  max-width: 112px;
  display: block;
  object-fit: contain;
  margin-bottom: 28px;
}

.feature-list h2 {
  margin: 0 0 18px;
  font-size: 1.45rem;
  line-height: 1.16;
}

.feature-list ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  color: #555;
  line-height: 1.45;
  font-weight: 760;
}

.feature-list li::before {
  content: "/";
  margin-right: 8px;
  color: #aaa;
}

.support-main {
  padding: 126px 0 80px;
}

.plain-hero {
  padding: 52px 0 34px;
  border-bottom: 1px solid #ded8cf;
}

.compact article {
  min-height: 140px;
}

.site-footer {
  min-height: 96px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 28px 36px;
  border-top: 1px solid #ded8cf;
  color: #666;
  background: #fff;
}

.site-footer p {
  margin: 0;
  font-weight: 800;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  font-weight: 900;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
    padding: 0 20px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .tool-links,
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    height: 70px;
    padding: 0 14px;
  }

  .brand img {
    width: 132px;
  }

  .site-header > .lang-switch {
    display: none;
  }

  .hero {
    min-height: 84svh;
    padding: 96px 20px 44px;
  }

  .hero-bg {
    object-position: 42% center;
  }

  .hero-copy h1,
  .detail-hero h1 {
    font-size: 3.35rem;
  }

  .hero-copy span,
  .detail-hero span {
    font-size: 0.98rem;
    line-height: 1.45;
  }

  .tool-overview,
  .bookmark-band,
  .detail-main,
  .support-main {
    width: min(100% - 28px, 620px);
  }

  .section-title {
    display: block;
    margin-bottom: 20px;
  }

  .section-title h2,
  .bookmark-band h2,
  .plain-hero h1 {
    font-size: 2.2rem;
  }

  .tool-links,
  .feature-list,
  .bookmark-band,
  .detail-hero {
    grid-template-columns: 1fr;
  }

  .tool-overview {
    padding: 56px 0 24px;
  }

  .tool-link {
    min-height: 174px;
    padding: 22px 18px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 132px;
    gap: 14px;
    align-items: stretch;
    justify-content: initial;
  }

  .tool-link img {
    position: static;
    width: 132px;
    height: 170px;
    max-width: none;
    object-fit: cover;
    object-position: top center;
    opacity: 1;
    pointer-events: none;
    align-self: center;
  }

  .tool-link-copy {
    position: relative;
    z-index: 1;
    width: auto;
    gap: 12px;
    align-self: center;
  }

  .tool-link-copy span {
    margin-top: 0;
    font-size: 1.25rem;
  }

  .tool-link-copy strong {
    font-size: 0.92rem;
    line-height: 1.48;
  }

  .detail-main {
    padding-top: 84px;
  }

  .detail-hero {
    min-height: auto;
    gap: 16px;
    padding: 8px 0 18px;
  }

  .detail-hero img {
    width: min(172px, 48vw);
    border-radius: 24px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.1);
  }

  .feature-list {
    gap: 10px;
    padding-top: 12px;
  }

  .feature-list article {
    min-height: auto;
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 20px 18px;
  }

  .feature-icon {
    width: 74px;
    height: 74px;
    max-width: none;
    margin: 2px 0 0;
    object-fit: contain;
  }

  .feature-list h2 {
    margin-bottom: 12px;
    font-size: 1.2rem;
  }

  .feature-list ul {
    gap: 5px;
  }

  .feature-list li {
    font-size: 0.86rem;
    line-height: 1.38;
  }

  .bookmark-band {
    align-items: start;
    margin-bottom: 52px;
    padding: 24px;
  }

  .support-main {
    padding-top: 86px;
  }

  .plain-hero {
    padding: 18px 0 24px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 26px 20px;
  }
}