/* ==========================================================================
   Sayaka Okubo Photography — shared stylesheet (JP / EN 共通)
   ========================================================================== */

:root {
  --cream:       #faf6f0;
  --cream-deep:  #f1e8dc;
  --paper:       #fffdfa;
  --ink:         #33291f;
  --ink-soft:    #6b5c4b;
  --brown:       #a17755;
  --brown-dark:  #7c5a3d;
  --line:        #e5d9c7;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
  font-family: 'Zen Maru Gothic', 'Poppins', 'Hiragino Sans', sans-serif;
  font-weight: 400;
  line-height: 2;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: 'Shippori Mincho B1', 'Fraunces', 'Times New Roman', serif;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .04em;
  line-height: 1.5;
  margin: 0 0 .6em;
}

h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1.3em; color: var(--ink-soft); }

a { color: var(--brown-dark); text-decoration: none; }
a:hover { color: var(--brown); }

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

.eyebrow {
  display: block;
  font-family: 'Poppins', 'Zen Maru Gothic', sans-serif;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 1em;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 6vw; }
section { padding: 5.5rem 0; }
.section-tight { padding: 3.5rem 0; }
.center { text-align: center; }
.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }

.btn {
  display: inline-block;
  max-width: 100%;
  padding: .9em 2.3em;
  border: 1px solid var(--brown-dark);
  color: var(--brown-dark);
  font-family: 'Poppins', 'Zen Maru Gothic', sans-serif;
  font-size: .82rem;
  letter-spacing: .1em;
  overflow-wrap: anywhere;
  transition: all .25s ease;
}
.btn:hover { background: var(--brown-dark); color: #fff; }
.btn-solid { background: var(--brown-dark); color: #fff; }
.btn-solid:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-icon { display: inline-flex; align-items: center; gap: .55em; }
.btn-icon img { width: 20px; height: 20px; border-radius: 4px; }

/* ---------- Header ---------- */
/* The frosted-glass effect lives on ::before (not on .site-header itself)
   because backdrop-filter on an ancestor redefines the containing block for
   any position:fixed descendant (like the mobile nav panel below), which
   breaks its "fixed to the viewport" positioning. */
.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--line);
}
.site-header::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(250, 246, 240, .95);
  backdrop-filter: blur(6px);
  z-index: -1;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem;
}
.logo img { height: 50px; width: auto; }
.lang-switch {
  font-family: 'Poppins', sans-serif; font-size: .72rem; letter-spacing: .1em;
  border: 1px solid var(--line); padding: .35em .9em; border-radius: 999px;
  color: var(--ink-soft); white-space: nowrap;
}
.lang-switch:hover { border-color: var(--brown-dark); color: var(--brown-dark); }

nav.main-nav { display: flex; align-items: center; gap: 1.9rem; }
nav.main-nav a {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--ink);
  white-space: nowrap;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--brown-dark); }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: var(--paper);
  border: 1px solid var(--line);
  min-width: 220px;
  padding: .6rem 0;
  box-shadow: 0 12px 30px rgba(50,40,25,.09);
  opacity: 0; visibility: hidden; translate: 0 8px;
  transition: all .2s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; translate: 0 0; }
.dropdown a {
  display: block; padding: .65rem 1.4rem;
  font-size: .82rem;
}
.dropdown a:hover { background: var(--cream-deep); }

.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--ink); cursor: pointer; }

/* ---------- Hero slider (home) ---------- */
.hero { position: relative; height: 82vh; min-height: 480px; overflow: hidden; }
.hero .slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  animation: heroFade 18s infinite;
}
.hero .slide:nth-child(1) { animation-delay: 0s; }
.hero .slide:nth-child(2) { animation-delay: 6s; }
.hero .slide:nth-child(3) { animation-delay: 12s; }
@keyframes heroFade {
  0% { opacity: 0; }
  4% { opacity: 1; }
  30% { opacity: 1; }
  36% { opacity: 0; }
  100% { opacity: 0; }
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(30,22,12,.3) 0%, rgba(30,22,12,.12) 45%, rgba(30,22,12,.52) 100%);
}
.hero-copy {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: #fff; padding: 0 6vw;
}
.hero-copy .eyebrow { color: #f2e6d3; }
.hero-copy h1 { color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.25); max-width: 900px; }
.hero-copy p { color: #f6efe3; max-width: 620px; margin: 1rem auto 1.8rem; font-size: 1.02rem; }

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  position: relative; height: 42vh; min-height: 280px;
  background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.page-hero::after { content:""; position:absolute; inset:0; background: rgba(28,21,12,.42); }
.page-hero .hero-copy { padding: 0 6vw; }
.page-hero h1 { color: #fff; }

/* ---------- Cards / grid ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.8rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.4rem; }
.plan-card {
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.plan-card:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(50,40,25,.1); }
.plan-card .thumb { height: 190px; overflow: hidden; }
.plan-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.plan-card:hover .thumb img { transform: scale(1.06); }
.plan-card .body { padding: 1.5rem 1.5rem 1.8rem; }
.plan-card h3 { margin-bottom: .5rem; font-size: 1.05rem; white-space: nowrap; }
.plan-card p { font-size: .9rem; margin-bottom: 1rem; }
.plan-card .more { font-size: .74rem; letter-spacing: .1em; color: var(--brown-dark); }

/* ---------- Simple photo gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.gallery a, .gallery .g-item { display: block; overflow: hidden; aspect-ratio: 4/5; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery a:hover img, .gallery .g-item:hover img { transform: scale(1.06); }

/* ---------- Two-column feature ---------- */
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.feature img { width: 100%; height: 100%; object-fit: cover; }
.feature.reverse .img-col { order: 2; }

/* ---------- Photo slider (sample photos) ---------- */
.photo-slider { position: relative; }
.photo-slider .slider-track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none; -ms-overflow-style: none; gap: 0; border: 1px solid var(--line);
}
.photo-slider .slider-track::-webkit-scrollbar { display: none; }
.photo-slider .slider-track img {
  flex: 0 0 100%; width: 100%; aspect-ratio: 16/10; object-fit: cover; scroll-snap-align: start;
}
.photo-slider .slider-arrow {
  position: absolute; top: 50%; translate: 0 -50%;
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  background: rgba(255,253,250,.92); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--ink); cursor: pointer; z-index: 2;
  transition: background .2s ease;
}
.photo-slider .slider-arrow:hover { background: var(--paper); border-color: var(--brown-dark); }
.photo-slider .slider-arrow.prev { left: .8rem; }
.photo-slider .slider-arrow.next { right: .8rem; }
.photo-slider .slider-dots { display: flex; justify-content: center; gap: .5rem; margin-top: .9rem; }
.photo-slider .slider-dots span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--line); cursor: pointer;
}
.photo-slider .slider-dots span.active { background: var(--brown-dark); }

/* ---------- FAQ accordion ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--line); padding: 1.3rem 0;
}
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1.2rem;
  font-family: 'Shippori Mincho B1', 'Fraunces', serif;
  font-size: 1.08rem; font-weight: 600; color: var(--ink);
  line-height: 1.6;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .q-mark { color: var(--brown); margin-right: .5em; }
.faq summary .toggle-icon {
  flex: 0 0 auto; width: 1.6rem; height: 1.6rem; border-radius: 50%;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--brown-dark); transition: transform .25s ease;
}
.faq details[open] summary .toggle-icon { transform: rotate(45deg); }
.faq .faq-answer { margin-top: 1rem; font-size: .94rem; color: var(--ink-soft); line-height: 1.9; }
.faq .faq-answer p { margin-bottom: 1em; }
.faq .faq-answer p:last-child { margin-bottom: 0; }

/* ---------- Profile photo block ---------- */
.profile-photo-block {
  display: flex; align-items: center; gap: 2.2rem; text-align: left; justify-content: center;
}
.profile-photo-block img {
  width: 168px; height: 168px; border-radius: 50%; object-fit: cover; flex: 0 0 auto;
  border: 4px solid var(--paper); box-shadow: 0 8px 24px rgba(50,40,25,.12);
}
.profile-photo-block .profile-text { max-width: 480px; }
@media (max-width: 640px) {
  .profile-photo-block { flex-direction: column; text-align: center; }
}

/* ---------- Pricing ---------- */
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 2.5rem 0; }
.price-card {
  background: var(--paper); border: 1px solid var(--line); padding: 2.2rem 2.2rem 2rem;
}
.price-card .tag {
  font-family: 'Poppins', sans-serif; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brown); margin-bottom: .6rem; display: block;
}
.price-card .amount { font-family: 'Shippori Mincho B1', serif; font-size: 2.1rem; color: var(--ink); margin-bottom: .2em; }
.price-card .amount small { font-size: .95rem; color: var(--ink-soft); font-family: 'Zen Maru Gothic', sans-serif; }
.price-card ul { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.price-card li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .55rem 0; border-top: 1px dashed var(--line);
  font-size: .9rem; color: var(--ink-soft);
}
.price-card li span:first-child { color: var(--ink); }
.surcharge-note { font-size: .84rem; color: var(--ink-soft); margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }

.addon-box {
  background: var(--cream-deep); border: 1px solid var(--line); padding: 2rem 2.2rem; margin-top: .5rem;
}

/* ---------- Info / terms blocks ---------- */
.info-block { background: var(--paper); border: 1px solid var(--line); padding: 3rem; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.4rem 3rem; margin-top: 1rem; }
.info-item h4 { font-family: 'Poppins', 'Zen Maru Gothic', sans-serif; font-size: .82rem; letter-spacing: .06em; color: var(--brown-dark); margin-bottom: .5em; font-weight: 700; }
.info-item p { font-size: .92rem; margin-bottom: .4em; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 1rem 0 0; }
.steps li { counter-increment: step; position: relative; padding-left: 2.6rem; margin-bottom: 1.1rem; font-size: .92rem; color: var(--ink-soft); }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: -.1rem;
  width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--brown-dark); color: #fff;
  font-family: 'Shippori Mincho B1', serif; font-size: 1rem; display: flex; align-items: center; justify-content: center;
}

/* ---------- Product ---------- */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; padding: 3rem 0; border-bottom: 1px solid var(--line); }
.product:last-child { border-bottom: none; }
.product img { width: 100%; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 1rem; font-size: .92rem; }
.spec-table th, .spec-table td { text-align: left; padding: .6rem 0; border-top: 1px dashed var(--line); color: var(--ink-soft); font-weight: 400; }
.spec-table th { color: var(--ink); width: 45%; }

/* ---------- Quote block ---------- */
.quote-block { text-align: center; max-width: 860px; margin: 0 auto; }
.quote-block p { font-family: 'Shippori Mincho B1', serif; font-size: clamp(1rem, 2vw, 1.15rem); color: var(--ink); line-height: 1.9; text-wrap: pretty; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--brown-dark); color: #fff; text-align: center; padding: 4.5rem 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #f0e5d5; }
.cta-band .btn { border-color: #fff; color: #fff; }
.cta-band .btn:hover { background: #fff; color: var(--brown-dark); }
.cta-links { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; margin-top: 1.6rem; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--ink); color: #cfc2ae; padding: 3.2rem 0 2rem; text-align: center; }
footer.site-footer .logo { display: inline-block; }
footer.site-footer .logo img { filter: brightness(0) invert(1); opacity: .92; margin: 0 auto; }
.footer-social { display: flex; gap: 1.4rem; justify-content: center; align-items: center; margin: 1.6rem 0; font-size: .8rem; letter-spacing: .04em; }
.footer-social a { color: #e9dfcb; display: inline-flex; align-items: center; gap: .5em; }
.footer-social a:hover { color: #fff; }
.footer-social img { width: 22px; height: 22px; border-radius: 5px; }
footer.site-footer .copyright { font-size: .75rem; color: #9a8b73; margin-top: 1.6rem; }
.footer-lang { margin-top: 1.2rem; }
.footer-lang a { color: #cfc2ae; border: 1px solid #52462f; padding: .35em 1em; border-radius: 999px; font-family:'Poppins',sans-serif; font-size:.72rem; letter-spacing:.1em; }
.footer-lang a:hover { color: #fff; border-color: #cfc2ae; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3.5rem; }
.contact-form { display: grid; gap: 1.1rem; }
.contact-form label { font-size: .82rem; color: var(--ink-soft); display: block; margin-bottom: .4rem; }
.contact-form label .req { color: var(--brown); font-size: .72rem; margin-left: .3em; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: .75rem .9rem; border: 1px solid var(--line); background: var(--paper);
  font-family: 'Zen Maru Gothic', sans-serif; font-size: .95rem; color: var(--ink);
}
.contact-form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form .row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.contact-side { background: var(--cream-deep); border: 1px solid var(--line); padding: 2.2rem; align-self: start; }
.contact-side h3 { margin-bottom: .8rem; }
.contact-side .plan-list { list-style: none; padding: 0; margin: 1rem 0 1.6rem; font-size: .88rem; color: var(--ink-soft); }
.contact-side .plan-list li { padding: .4rem 0; border-top: 1px dashed var(--line); }
.contact-side .social-buttons { display: flex; flex-direction: column; gap: .8rem; }

.form-note { font-size: .84rem; color: var(--ink-soft); background: var(--cream-deep); border: 1px solid var(--line); padding: 1rem 1.2rem; margin-top: 1rem; }

.form-status { margin-top: 1.2rem; padding: 1.1rem 1.3rem; border-radius: 3px; font-size: .92rem; line-height: 1.7; }
.form-status[hidden] { display: none; }
.form-status.success { background: #eef4ea; border: 1px solid #b9d3a8; color: #3f5c33; }
.form-status.error { background: #fbeceb; border: 1px solid #e3b3ae; color: #7a3530; }
.hp-field {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  padding: 0; margin: -1px; border: 0;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .feature, .pricing, .product, .contact-grid, .info-grid { grid-template-columns: 1fr; }
  .feature .img-col, .feature.reverse .img-col { order: 0; }
  nav.main-nav {
    position: fixed; inset: 0 0 0 auto; width: 78%; max-width: 340px;
    background: var(--paper); flex-direction: column; align-items: flex-start;
    padding: 6rem 2rem 2rem; gap: 1.4rem;
    transform: translateX(100%); transition: transform .3s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,.12);
    overflow-y: auto;
  }
  nav.main-nav.open { transform: translateX(0); }
  .has-dropdown .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none;
    border: none; border-left: 2px solid var(--line); display: none; min-width: 0; padding-left: .6rem; margin-top: .6rem;
  }
  .has-dropdown.open .dropdown { display: block; }
  .nav-toggle { display: block; }
}
@media (max-width: 600px) {
  .contact-form .row-2, .contact-form .row-3 { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .plan-card h3 { font-size: .95rem; }
  section { padding: 3.6rem 0; }
}