/* 宙の会 — Sora no Kai */
:root {
  --color-cream: #faf8f3;
  --color-cream-dark: #f3efe6;
  --color-gold: #b8956b;
  --color-gold-light: #d4b896;
  --color-text: #2c2c2c;
  --color-text-muted: #5a5a5a;
  --color-hero-bg: #0b0f1a;
  --color-footer: #0a0d14;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --max-width: 1100px;
  --section-pad: clamp(4rem, 10vw, 6rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

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

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

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem 7rem;
  color: #fff;
  background: var(--color-hero-bg);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 100%;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(8, 12, 24, 0.35) 0%,
    rgba(8, 12, 24, 0.1) 45%,
    rgba(8, 12, 24, 0.4) 100%
  );
  pointer-events: none;
}

.hero__stars {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 60% 70%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 50% 20%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 80% 40%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 10% 80%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 90% 90%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 35% 55%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 70% 15%, rgba(255, 255, 255, 0.55), transparent);
  background-size: 100% 100%;
  opacity: 0.35;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 3;
  max-width: 720px;
}

.hero__brand {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  letter-spacing: 0.35em;
  margin: 0 0 2rem;
  font-weight: 400;
  opacity: 0.95;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: 0.08em;
  margin: 0 0 2rem;
}

.hero__lead {
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  line-height: 2;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 2.5rem;
  letter-spacing: 0.04em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s, border-color 0.2s;
}

.btn:hover {
  opacity: 0.9;
}

.btn--primary {
  background: var(--color-gold);
  color: #1a1a1a;
  border-color: var(--color-gold);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 640px) {
  .hero {
    justify-content: flex-start;
    padding-top: clamp(3rem, 12vw, 5rem);
    padding-bottom: 5.5rem;
  }

  .hero__inner {
    margin-top: auto;
    margin-bottom: auto;
  }

  .hero__actions {
    margin-bottom: 3rem;
  }

  .hero__scroll {
    display: none;
  }
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
}

/* ----- Section common ----- */
.section {
  padding: var(--section-pad) 1.5rem;
}

.section--cream {
  background: var(--color-cream);
}

.section__label {
  display: block;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 500;
  text-align: center;
  margin: 0 0 2.5rem;
  letter-spacing: 0.06em;
}

.section__intro {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 2;
}

/* ----- About cards ----- */
.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.about-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.about-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.04em;
}

.about-card__num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-gold-light);
  line-height: 1;
  font-weight: 400;
}

.about-card__text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ----- Message ----- */
.message {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  padding: 0 1rem;
}

.message__text {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  line-height: 2.2;
  letter-spacing: 0.06em;
  margin: 0;
}

.message__divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 2.5rem auto 0;
  position: relative;
}

.message__divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ----- Services ----- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.service-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
}

.service-card__num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-gold-light);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.service-card__text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

/* ----- For you ----- */
.for-you-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .for-you-grid {
    grid-template-columns: 1fr;
  }
}

.for-you-item {
  background: var(--color-cream-dark);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.75;
}

.for-you-item__bullet {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  background: var(--color-gold);
  transform: rotate(45deg);
}

/* ----- Contact ----- */
.contact {
  background: linear-gradient(165deg, #12182a 0%, #0b0f1a 50%, #151a28 100%);
  color: #fff;
  padding: var(--section-pad) 1.5rem 0;
}

.contact .section__label,
.contact .section__title {
  color: #fff;
}

.contact .section__label {
  color: var(--color-gold-light);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .contact__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .contact__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.contact__text {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 1.5rem;
}

.contact__qr-wrap {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  max-width: 280px;
  margin: 0 auto;
}

.contact__qr-placeholder {
  aspect-ratio: 1;
  background: #f0f0f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.contact__qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact__qr-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  margin: 0 0 0.75rem;
}

.site-footer__tagline {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.site-footer__nav {
  margin-top: 1.25rem;
}

.site-footer__nav a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.site-footer__nav a:hover {
  color: rgba(255, 255, 255, 0.75);
}

/* ----- Floating contact ----- */
.float-contact {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 100;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: var(--color-gold);
  color: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.float-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.float-contact__label {
  font-family: var(--font-serif);
  font-size: 0.65rem;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

@media (max-width: 640px) {
  .float-contact {
    right: 1rem;
    bottom: 1rem;
    width: 4rem;
    height: 4rem;
  }

  .float-contact__label {
    font-size: 0.6rem;
  }
}

/* ----- Tokushoho page ----- */
.tokushoho {
  min-height: 100vh;
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  background: var(--color-cream);
}

.tokushoho__inner {
  max-width: 720px;
  margin: 0 auto;
}

.tokushoho__title {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 500;
  text-align: center;
  margin: 0 0 1rem;
  letter-spacing: 0.06em;
}

.tokushoho__note {
  margin: 0 0 2rem;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  background: var(--color-cream-dark);
  border-radius: 8px;
  text-align: center;
}

.tokushoho__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.85;
}

.tokushoho__table th,
.tokushoho__table td {
  padding: 1rem 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  vertical-align: top;
  text-align: left;
}

.tokushoho__table th {
  width: 32%;
  background: var(--color-cream-dark);
  font-weight: 500;
  white-space: nowrap;
}

.tokushoho__back {
  margin: 2.5rem 0 0;
  text-align: center;
}

.tokushoho__back a {
  font-size: 0.9rem;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

@media (max-width: 640px) {
  .tokushoho__table th,
  .tokushoho__table td {
    display: block;
    width: 100%;
  }

  .tokushoho__table th {
    border-bottom: none;
    padding-bottom: 0.35rem;
  }

  .tokushoho__table td {
    padding-top: 0.35rem;
  }
}