@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Condensed:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap");

:root {
  --color-red: #d60000;
  --color-red-dark: #ad0000;
  --color-red-deep: #be0000;
  --color-ink: #151515;
  --color-black: #090a0a;
  --color-paper: #efefeb;
  --color-paper-2: #e5e5df;
  --color-white: #ffffff;
  --color-muted: #5e5e5a;
  --color-line: rgba(17, 17, 17, 0.2);
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-display: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "IBM Plex Sans Condensed", "Noto Sans JP", sans-serif;
  --weight-heavy: 800;
  --weight-strong: 700;
  --weight-body: 500;
  --paper-texture:
    repeating-linear-gradient(0deg, rgba(17, 17, 17, 0.006) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.13) 0 1px, transparent 1px 11px),
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.3), transparent 29%),
    linear-gradient(115deg, rgba(255, 255, 255, 0.12), rgba(17, 17, 17, 0.018));
  --red-texture:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.012) 0 1px, transparent 1px 10px),
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.09), transparent 24%),
    linear-gradient(135deg, #dc0000 0%, var(--color-red) 48%, var(--color-red-deep) 100%);
  --rail-width: 126px;
  --header-height: 76px;
  --space-side: 44px;
  --section-pad: 42px;
  --radius-sm: 0;
  --radius-md: 0;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-ja);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background-color: var(--color-paper);
  background-image: var(--paper-texture);
  color: var(--color-ink);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body.is-menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

img,
svg {
  max-width: 100%;
}

img {
  display: block;
}

::selection {
  color: var(--color-white);
  background: var(--color-red);
}

.sr {
  min-height: 100vh;
  background-color: var(--color-paper);
  background-image: var(--paper-texture);
  color: var(--color-ink);
  font-family: var(--font-ja);
  font-weight: var(--weight-body);
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--color-red);
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  word-spacing: 0.14em;
}

.line-link {
  position: relative;
  display: inline-flex;
  min-width: 134px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--color-ink);
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  word-spacing: 0.14em;
}

.line-link::after {
  width: 56px;
  height: 1px;
  content: "";
  background: currentColor;
  box-shadow: 11px -5px 0 -5px currentColor;
  transform: skewX(42deg);
  transform-origin: right center;
}

.line-link--light {
  color: var(--color-white);
}

.outline-button {
  display: inline-flex;
  min-height: 47px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: var(--weight-strong);
  transition: background 180ms ease, color 180ms ease;
}

.outline-button::after {
  width: 38px;
  height: 1px;
  content: "";
  background: currentColor;
  transform: skewX(42deg);
  transform-origin: right center;
}

.outline-button:hover {
  background: var(--color-white);
  color: var(--color-red);
}

.mail-icon {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 22px;
  flex: 0 0 auto;
  border: 2px solid currentColor;
}

.mail-icon::before,
.mail-icon::after {
  position: absolute;
  top: 2px;
  width: 17px;
  height: 2px;
  content: "";
  background: currentColor;
}

.mail-icon::before {
  left: 1px;
  transform: rotate(32deg);
  transform-origin: left top;
}

.mail-icon::after {
  right: 1px;
  transform: rotate(-32deg);
  transform-origin: right top;
}

.mail-icon--dark {
  color: var(--color-ink);
}

.phone-icon {
  position: relative;
  display: inline-block;
  width: 35px;
  height: 35px;
  flex: 0 0 auto;
  border: 4px solid currentColor;
  border-top-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  transform: rotate(-35deg);
}

.phone-icon::before,
.phone-icon::after {
  position: absolute;
  width: 12px;
  height: 8px;
  content: "";
  background: currentColor;
}

.phone-icon::before {
  top: -3px;
  left: -6px;
}

.phone-icon::after {
  right: -4px;
  bottom: -2px;
}

@media (min-width: 1001px) {
  .sr {
    padding-left: var(--rail-width);
  }
}

@media (max-width: 1000px) {
  :root {
    --header-height: 92px;
    --space-side: 28px;
    --section-pad: 34px;
  }
}

@media (max-width: 560px) {
  :root {
    --space-side: 20px;
    --section-pad: 26px;
  }

  .outline-button {
    width: 100%;
  }
}
