:root {
  --bg: #080808;
  --bg-deep: #030303;
  --text: #f2f2f2;
  --muted: #a6a6a6;
  --red: #e10600;
  --line: rgba(242, 242, 242, 0.18);
  --line-soft: rgba(242, 242, 242, 0.08);
  --panel-max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Arial Narrow", "Helvetica Neue Condensed", Impact, Arial, sans-serif;
  letter-spacing: 0;
}

body::before,
body::after,
.grain {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: -3;
  background:
    radial-gradient(circle at 88% 10%, rgba(225, 6, 0, 0.13), transparent 25rem),
    radial-gradient(circle at 8% 72%, rgba(225, 6, 0, 0.12), transparent 20rem),
    linear-gradient(180deg, #050505 0%, #080808 48%, #020202 100%);
}

body::after {
  z-index: -2;
  background-image:
    linear-gradient(rgba(242, 242, 242, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 242, 242, 0.018) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(180deg, black, transparent 92%);
}

.grain {
  z-index: -1;
  opacity: 0.18;
  mix-blend-mode: screen;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.14) 0 1px, transparent 1.4px),
    radial-gradient(circle at 70% 54%, rgba(255, 255, 255, 0.1) 0 1px, transparent 1.5px),
    radial-gradient(circle at 42% 80%, rgba(225, 6, 0, 0.18) 0 1px, transparent 1.5px);
  background-size: 13px 13px, 19px 19px, 23px 23px;
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.7rem 0.9rem;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(var(--panel-max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 14px 0;
  background: linear-gradient(180deg, rgba(8, 8, 8, 0.9), rgba(8, 8, 8, 0.55));
  backdrop-filter: blur(14px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  width: 136px;
  height: 24px;
  overflow: hidden;
}

.brand-logo {
  display: block;
  width: 146px;
  height: auto;
  max-width: none;
  transform: translate(-7px, -1px);
}

h1 span,
h2 span {
  color: var(--red);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(0.75rem, 2vw, 1.8rem);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.carousel-page {
  width: min(var(--panel-max), calc(100% - 32px));
  margin: 0 auto;
}

.slide-panel {
  position: relative;
  scroll-margin-top: 70px;
  min-height: clamp(680px, 88vh, 980px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: clamp(1.5rem, 4vw, 4.8rem);
  align-items: center;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0 clamp(4.2rem, 7vw, 6.7rem);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.slide-panel::before,
.slide-panel::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.slide-panel::before {
  right: -14%;
  bottom: 9%;
  width: min(44vw, 520px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(225, 6, 0, 0.38) 0 1px, transparent 1.9px);
  background-size: 10px 10px;
  opacity: 0.22;
  transform: rotate(-10deg);
}

.slide-panel::after {
  left: 0;
  top: 0;
  width: min(190px, 28vw);
  height: 2px;
  background: var(--red);
}

.panel-number {
  position: absolute;
  top: clamp(1.8rem, 4vw, 3.2rem);
  right: 0;
  color: rgba(242, 242, 242, 0.08);
  font-size: clamp(5.2rem, 12vw, 10rem);
  font-weight: 950;
  line-height: 0.78;
  letter-spacing: -0.05em;
}

.panel-copy {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.panel-copy.wide {
  max-width: 820px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: clamp(1.1rem, 2.4vw, 1.8rem);
  color: var(--text);
  font-size: clamp(4rem, 8vw, 7.8rem);
  line-height: 0.94;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  text-wrap: balance;
}

.panel-03 h2,
.panel-04 h2 {
  font-size: clamp(3.7rem, 7.2vw, 7rem);
}

.panel-05 h2 {
  font-size: clamp(4rem, 7.7vw, 7.4rem);
}

.red-rule {
  width: clamp(46px, 5vw, 72px);
  height: 3px;
  margin: 0 0 clamp(1.5rem, 3vw, 2.4rem);
  background: var(--red);
}

.panel-copy p,
.claim,
.process-line,
.method-list,
.site-footer {
  font-family: Arial, Helvetica, sans-serif;
}

.panel-copy p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.32rem);
  line-height: 1.55;
}

.panel-remark,
.method-remark {
  margin-top: clamp(1.1rem, 2vw, 1.6rem) !important;
  color: var(--text) !important;
  font-weight: 900;
}

.claim {
  margin-bottom: clamp(1rem, 2vw, 1.4rem) !important;
  color: var(--text) !important;
  font-size: clamp(1.7rem, 3.2vw, 3.1rem) !important;
  font-weight: 900;
  line-height: 1.06 !important;
  text-transform: uppercase;
}

.panel-visual {
  position: relative;
  z-index: 1;
  margin: 0;
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(242, 242, 242, 0.08), transparent 50%),
    rgba(12, 12, 12, 0.78);
  box-shadow: 0 32px 110px rgba(0, 0, 0, 0.58);
}

.panel-visual::before {
  content: "";
  position: absolute;
  inset: 10px;
  z-index: 2;
  pointer-events: none;
  border: 1px solid rgba(242, 242, 242, 0.12);
}

.panel-visual img {
  width: 100%;
  height: clamp(330px, 48vh, 540px);
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.12) saturate(0.92);
}

.visual-what {
  align-self: end;
  transform: translateY(3%);
}

.visual-vision {
  align-self: stretch;
}

.visual-vision img {
  height: 100%;
  min-height: 500px;
  object-position: center right;
}

.visual-method {
  align-self: end;
  grid-column: 2;
  grid-row: 1 / span 2;
}

.panel-note {
  position: absolute;
  z-index: 3;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.note-left {
  left: 49%;
  bottom: 20%;
  transform: rotate(-7deg);
}

.audience-strip {
  position: relative;
  z-index: 2;
  align-self: end;
  display: grid;
  gap: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.audience-strip span {
  display: block;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: clamp(1.1rem, 1.7vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.audience-strip span::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.85rem;
  border: 1px solid var(--red);
  transform: rotate(45deg) translateY(-1px);
}

.process-line {
  position: relative;
  z-index: 2;
  align-self: end;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
  border-top: 1px solid var(--line);
}

.process-line li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-size: clamp(1.05rem, 1.6vw, 1.42rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.process-line span {
  color: var(--red);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.method-list {
  position: relative;
  z-index: 2;
  align-self: end;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.method-remark {
  position: relative;
  z-index: 2;
  align-self: start;
  max-width: 520px;
  grid-column: 1;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(1.05rem, 1.55vw, 1.35rem);
  line-height: 1.32;
}

.method-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 58px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-size: clamp(1rem, 1.45vw, 1.28rem);
  font-weight: 850;
  line-height: 1.25;
}

.method-list li::before {
  content: "+";
  color: var(--red);
  font-size: 1.35rem;
  line-height: 1;
}

.closing-line {
  margin-top: 0 !important;
  color: var(--text) !important;
  font-size: clamp(1.45rem, 2.45vw, 2.35rem) !important;
  font-weight: 900;
  line-height: 1.18 !important;
}

.contact-invite {
  position: relative;
  width: min(100%, 720px);
  margin-top: clamp(1.7rem, 3.4vw, 3rem);
  padding-top: clamp(1.2rem, 2vw, 1.8rem);
  border-top: 1px solid var(--line);
}

.contact-invite::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(72px, 9vw, 120px);
  height: 2px;
  background: var(--red);
}

.contact-invite p:not(.closing-line) {
  max-width: 540px;
  margin-top: 0.75rem;
}

.mail-link {
  display: inline-block;
  margin-top: clamp(1.4rem, 3vw, 2.4rem);
  border-bottom: 2px solid var(--red);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(1.45rem, 3.6vw, 3.4rem);
  font-weight: 950;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.site-footer {
  width: min(var(--panel-max), calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 0 2.1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer a:last-child {
  justify-self: end;
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

@media (max-width: 960px) {
  .slide-panel {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .visual-method {
    grid-column: auto;
    grid-row: auto;
  }

  .visual-vision img {
    min-height: 340px;
  }

  .note-left {
    left: auto;
    right: 4%;
    bottom: 28%;
  }
}

@media (max-width: 640px) {
  .site-header,
  .carousel-page,
  .site-footer {
    width: min(100% - 24px, var(--panel-max));
  }

  .site-header {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.7rem;
    padding: 12px 0;
  }

  .site-nav {
    width: 100%;
    max-width: none;
    justify-content: space-between;
    gap: 0.55rem;
    font-size: 0.63rem;
  }

  .slide-panel {
    min-height: auto;
    padding: clamp(4.4rem, 15vw, 6rem) 0 clamp(4.8rem, 15vw, 6.5rem);
    gap: 2rem;
  }

  .slide-panel::before {
    right: -36%;
    width: 92vw;
    opacity: 0.16;
  }

  .panel-number {
    top: 2.2rem;
    font-size: clamp(4.4rem, 20vw, 5.8rem);
  }

  h1,
  h2,
  .panel-04 h2,
  .panel-05 h2 {
    max-width: 100%;
    font-size: clamp(3.15rem, 15.4vw, 4.55rem);
    line-height: 0.98;
    letter-spacing: -0.01em;
  }

  .panel-03 h2 {
    max-width: 100%;
    font-size: clamp(2.8rem, 13vw, 3.8rem);
    line-height: 1;
    letter-spacing: -0.01em;
  }

  .panel-06 h2 {
    max-width: 100%;
    font-size: clamp(2.25rem, 10.6vw, 3.15rem);
    line-height: 1.02;
    letter-spacing: -0.01em;
  }

  .panel-04 h2 {
    max-width: 100%;
    font-size: clamp(2.55rem, 11.5vw, 3.3rem);
    line-height: 1;
    letter-spacing: -0.01em;
  }

  .panel-copy p {
    font-size: 1rem;
    line-height: 1.58;
  }

  .claim {
    font-size: clamp(1.45rem, 7.2vw, 2rem) !important;
  }

  .panel-visual img {
    height: auto;
    min-height: 260px;
    aspect-ratio: 4 / 3;
  }

  .audience-strip span,
  .process-line li,
  .method-list li {
    font-size: 1rem;
  }

  .process-line li {
    grid-template-columns: 42px 1fr;
    min-height: 64px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer p,
  .site-footer a:last-child {
    justify-self: start;
    text-align: left;
  }
}