@charset "utf-8";

/* ================================
   RESET & BASE
================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --beige:       #FFFAF0;
  --brown:       #A07C61;
  --brown-light: #b39574;
  --black:       #1a1a1a;
  --grey:        #555;
  --grey-light:  #888;
  --border:      rgba(160, 124, 97, 0.18);
}

html { font-size: 62.5%; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
  color: var(--black);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }


/* ================================
   HEADER
================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 6%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header__logo img { width: 44px; height: auto; }
.header__menu-btn { width: 36px; height: auto; cursor: pointer; }

/* Mobile nav overlay */
.nav {
  position: fixed;
  inset: 0;
  background: var(--beige);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 0.35s ease;
}

.nav.active { transform: translateX(0); }

.nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 6%;
  border-bottom: 1px solid var(--border);
}

.nav__top .logo { width: 44px; }
.nav__close     { width: 32px; cursor: pointer; }

.nav__list { padding: 40px 6%; }

.nav__item {
  font-size: 2rem;
  font-weight: 300;
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.nav__item a { display: block; color: var(--black); }

/* Desktop nav */
@media (min-width: 769px) {
  .header { padding: 16px 9%; }
  .header__logo img { width: 56px; }
  .header__menu-btn { display: none; }

  .nav {
    position: static;
    transform: none;
    background: transparent;
    inset: auto;
  }

  .nav__top { display: none; }

  .nav__list {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 0;
  }

  .nav__item {
    font-size: 1.5rem;
    font-weight: 400;
    border-bottom: none;
    padding: 0;
  }

  .nav__item a { position: relative; color: var(--black); }

  .nav__item a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--brown);
    transition: width 0.25s ease;
  }

  .nav__item a:hover::after { width: 100%; }
}


/* ================================
   FOOTER
================================ */
.footer {
  padding: 48px 6% 28px;
  border-top: 1px solid var(--border);
}

.footer__inner { margin-bottom: 40px; }

.footer__logo img { width: 48px; margin-bottom: 40px; }

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.footer__nav a {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--black);
}

.footer__copy {
  text-align: center;
  font-size: 1.2rem;
  color: var(--grey-light);
}

@media (min-width: 769px) {
  .footer { padding: 48px 9% 28px; }

  .footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
  }

  .footer__logo img { width: 56px; margin-bottom: 0; }
  .footer__nav { flex-direction: row; gap: 40px; }
  .footer__copy { font-size: 1.3rem; }
}


/* ================================
   BUTTON: PILL ARROW
================================ */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  background: var(--brown-light);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-size: 1.5rem;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-pill:hover {
  background: var(--brown);
  transform: translateX(3px);
}

.btn-pill svg {
  flex-shrink: 0;
  transition: transform 0.2s;
}

.btn-pill:hover svg { transform: translateX(4px); }

@media (min-width: 769px) {
  .btn-pill { font-size: 1.6rem; padding: 16px 32px; }
}


/* ================================
   PAGE HERO (inner pages)
================================ */
.page-hero {
  background: var(--beige);
  padding: 64px 6% 56px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero__eyebrow {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 14px;
}

.page-hero__title {
  font-size: 8vw;
  font-weight: 200;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--black);
  margin-bottom: 20px;
}

.page-hero__lead {
  font-size: 4vw;
  font-weight: 300;
  color: var(--grey);
  line-height: 2;
  max-width: 640px;
  margin: 0 auto;
}

@media (min-width: 769px) {
  .page-hero { padding: 96px 9% 80px; }
  .page-hero__title { font-size: 5.6rem; }
  .page-hero__lead { font-size: 1.8rem; }
}


/* ================================
   ARTICLE LAYOUT (Q&A article pages)
================================ */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 6% 80px;
}

.article-wrap h1 {
  font-size: 6vw;
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  color: var(--black);
}

.article-wrap h2 {
  font-size: 4.8vw;
  font-weight: 400;
  margin: 48px 0 16px;
  color: var(--black);
  letter-spacing: 0.03em;
}

.article-wrap h3 {
  font-size: 4vw;
  font-weight: 400;
  margin: 32px 0 12px;
  color: var(--grey);
}

.article-wrap p {
  font-size: 3.6vw;
  font-weight: 300;
  color: var(--grey);
  line-height: 2;
  margin-bottom: 20px;
}

.article-wrap ul, .article-wrap ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-wrap li {
  font-size: 3.6vw;
  font-weight: 300;
  color: var(--grey);
  line-height: 2;
  margin-bottom: 8px;
  list-style: disc;
}

.article-wrap ol li { list-style: decimal; }

.article-quote {
  border-left: 3px solid var(--brown-light);
  padding: 20px 24px;
  margin: 32px 0;
  background: var(--beige);
  border-radius: 0 6px 6px 0;
}

.article-quote p {
  font-size: 3.6vw;
  color: var(--black);
  font-weight: 300;
  line-height: 2;
  margin-bottom: 8px;
}

.article-quote small {
  font-size: 1.3rem;
  color: var(--grey-light);
  display: block;
  text-align: right;
}

.article-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

@media (min-width: 769px) {
  .article-wrap { padding: 80px 9% 100px; }

  .article-wrap h1 { font-size: 3.6rem; }
  .article-wrap h2 { font-size: 2.6rem; }
  .article-wrap h3 { font-size: 2rem; }
  .article-wrap p  { font-size: 1.7rem; }
  .article-wrap li { font-size: 1.7rem; }
  .article-quote p { font-size: 1.7rem; }
}


/* ================================
   CONTACT CTA SECTION (bottom of every page)
================================ */
.contact-cta {
  background: var(--beige);
  padding: 72px 6%;
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact-cta__title {
  font-size: 5.6vw;
  font-weight: 200;
  letter-spacing: 0.06em;
  color: var(--black);
  margin-bottom: 16px;
}

.contact-cta__lead {
  font-size: 3.8vw;
  font-weight: 300;
  color: var(--grey);
  line-height: 2;
  margin-bottom: 36px;
}

.contact-cta__btn {
  margin-bottom: 40px;
}

.contact-cta__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact-cta__social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  border: 1px solid rgba(160,124,97,0.3);
  border-radius: 100px;
  color: var(--black);
  font-size: 1.8rem;
  font-weight: 300;
  transition: background 0.2s, border-color 0.2s;
}

.contact-cta__social-link:hover {
  background: rgba(160,124,97,0.08);
  border-color: var(--brown);
}

.contact-cta__social-link img { width: 26px; height: auto; }

@media (min-width: 769px) {
  .contact-cta { padding: 96px 9%; }
  .contact-cta__title { font-size: 3.2rem; }
  .contact-cta__lead  { font-size: 1.8rem; }
  .contact-cta__social { flex-direction: row; justify-content: center; gap: 24px; }
}


/* ================================
   MESSAGE BAND
================================ */
.message-band {
  padding: 80px 6%;
  text-align: center;
  border-top: 1px solid var(--border);
}

.message-band__text {
  font-size: 4vw;
  font-weight: 200;
  color: var(--grey-light);
  letter-spacing: 0.08em;
  line-height: 2;
}

@media (min-width: 769px) {
  .message-band { padding: 100px 9%; }
  .message-band__text { font-size: 2rem; }
}
