@import url('https://fonts.googleapis.com/css2?family=Lobster&family=Barlow:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
  --color-ink: #000000;
  --color-bg: #ffffff;
  --color-line: rgba(0, 0, 0, 0.12);
  --color-accent-about: #c50017;
  --color-accent-service: #ccbf00;
  --color-accent-profile: #009fe6;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 84px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: "Noto Sans JP", "Barlow", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.sp-only {
  display: none;
}

@media (max-width: 640px) {
  .sp-only {
    display: inline;
  }
}

/* ------------------------------------------------------
   ヘッダー（全ページ共通・追従、スクロールで自動表示/非表示）
------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
  transition: transform 0.4s var(--ease-out-soft);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__logo {
  width: 40px;
  height: auto;
  display: block;
}

.site-header__contact {
  display: inline-flex;
  align-items: center;
  font-family: "Barlow", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-ink);
  border: 1px solid var(--color-ink);
  padding: 0.75rem 1.7rem;
  border-radius: 999px;
  transition: background 0.3s var(--ease-out-soft), color 0.3s var(--ease-out-soft), transform 0.3s var(--ease-out-soft);
}

.site-header__contact:hover {
  background: transparent;
  color: var(--color-ink);
  transform: translateY(-2px);
}

/* ------------------------------------------------------
   セクション共通パーツ
------------------------------------------------------ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Barlow", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-ink);
  margin-bottom: 1.4rem;
}

.section-label::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--section-accent, var(--color-ink));
}

/* ------------------------------------------------------
   スクロールリビール（共通）
------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s var(--ease-out-soft), transform 0.9s var(--ease-out-soft);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}