/* =========================================================
   NOREN - style.css
   和モダン／暖簾モチーフ／シンプル・誠実
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

:root {
  --c-bg: #F8F5F0;          /* オフホワイト */
  --c-bg-2: #EFE9DF;        /* ひと段濃いベージュ */
  --c-ink: #1F1F1F;         /* 墨色 */
  --c-ink-soft: #3a3a3a;
  --c-indigo: #1B3A4B;      /* 藍色 */
  --c-indigo-deep: #122733;
  --c-vermilion: #A04545;   /* 暖簾の朱 */
  --c-vermilion-deep: #863535;
  --c-line: #d8d2c6;
  --c-mute: #6c6660;

  --f-serif: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  --f-sans:  'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;

  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(31, 31, 31, 0.05);
  --shadow-md: 0 4px 16px rgba(27, 58, 75, 0.08);

  --container: 1100px;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink);
  background: var(--c-bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

/* 60代でも読みやすいように、本文を少し大きめに */
@media (min-width: 768px) {
  body { font-size: 17px; }
}

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

a {
  color: var(--c-indigo);
  text-decoration: none;
  transition: opacity .2s ease;
}
a:hover { opacity: 0.7; }

ul { padding-left: 1.2em; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 64px 0;
}
@media (min-width: 768px) {
  .section { padding: 96px 0; }
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--c-vermilion);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.5;
  margin: 0 0 32px;
  color: var(--c-ink);
}
@media (min-width: 768px) {
  .section-title { font-size: 34px; }
}

.section-lead {
  font-size: 15px;
  color: var(--c-ink-soft);
  margin: -16px 0 32px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .05em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease;
  text-align: center;
}

.btn-primary {
  background: var(--c-vermilion);
  color: #fff;
}
.btn-primary:hover {
  background: var(--c-vermilion-deep);
  opacity: 1;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--c-bg);
  border: 1px solid var(--c-bg);
}
.btn-ghost:hover {
  background: rgba(248, 245, 240, 0.12);
  opacity: 1;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 245, 240, 0.95);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-indigo);
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.18em;
}
.logo:hover { opacity: 1; }
.logo-mark { display: inline-flex; }
.logo-text { line-height: 1; }

/* Nav */
.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.primary-nav a {
  font-size: 15px;
  color: var(--c-ink);
  font-weight: 500;
}
.primary-nav .nav-cta {
  background: var(--c-indigo);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
}
.primary-nav .nav-cta:hover {
  background: var(--c-indigo-deep);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-ink);
  margin: 0 auto;
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .primary-nav.is-open { max-height: 480px; }
  .primary-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 20px;
  }
  .primary-nav li {
    width: 100%;
    border-bottom: 1px solid var(--c-line);
  }
  .primary-nav li:last-child { border-bottom: none; }
  .primary-nav a {
    display: block;
    padding: 14px 0;
  }
  .primary-nav .nav-cta {
    margin-top: 12px;
    text-align: center;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: var(--c-bg);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(18, 39, 51, 0.55),
    rgba(18, 39, 51, 0.78)
  );
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
  max-width: 880px;
}
.hero-eyebrow {
  font-family: var(--f-serif);
  letter-spacing: .25em;
  font-size: 13px;
  margin: 0 0 18px;
  color: #f0d9b5;
}
.hero-title {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.5;
  margin: 0 0 24px;
  color: #fff;
  letter-spacing: 0.04em;
}
@media (min-width: 768px) {
  .hero-title { font-size: 48px; }
}
.hero-sub {
  font-size: 16px;
  line-height: 2;
  margin: 0 0 36px;
  color: rgba(248, 245, 240, 0.92);
  max-width: 640px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- About ---------- */
.about {
  background: var(--c-bg);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
  }
}
.about-text p {
  margin: 0 0 1.4em;
}
.about-card {
  background: var(--c-bg-2);
  border-left: 4px solid var(--c-vermilion);
  padding: 28px 28px 24px;
  border-radius: var(--radius);
}
.about-card h3 {
  font-family: var(--f-serif);
  margin: 0 0 16px;
  font-size: 20px;
  color: var(--c-indigo);
}
.about-card ul {
  margin: 0;
  padding-left: 1.2em;
}
.about-card li {
  margin-bottom: 6px;
}

/* ---------- Service ---------- */
.service {
  background: var(--c-bg-2);
}
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--c-indigo);
}
.service-num {
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: .15em;
  color: var(--c-vermilion);
  margin-bottom: 8px;
}
.service-card h3 {
  font-family: var(--f-serif);
  font-size: 19px;
  margin: 0 0 12px;
  color: var(--c-ink);
}
.service-card p {
  margin: 0;
  font-size: 15px;
  color: var(--c-ink-soft);
  line-height: 1.85;
}

/* ---------- Price ---------- */
.price {
  background: var(--c-bg);
}
.price-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 12px;
}
@media (min-width: 760px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}
.price-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  padding: 36px 28px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.price-card-pro {
  border-color: var(--c-indigo);
  border-top: 4px solid var(--c-indigo);
}
.price-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--c-indigo);
  color: #fff;
  font-size: 12px;
  letter-spacing: .15em;
  padding: 4px 12px;
  border-radius: 20px;
}
.price-name {
  font-family: var(--f-serif);
  font-size: 22px;
  margin: 0 0 4px;
  color: var(--c-indigo);
}
.price-tagline {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--c-mute);
}
.price-amount {
  margin: 0 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--c-line);
}
.price-init {
  display: block;
  font-family: var(--f-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.2;
}
.price-init small {
  font-size: 13px;
  font-weight: 400;
  color: var(--c-mute);
  margin-left: 4px;
}
.price-monthly {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  color: var(--c-vermilion);
  font-weight: 700;
}
.price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
}
.price-features li {
  position: relative;
  padding: 6px 0 6px 22px;
  font-size: 15px;
  border-bottom: 1px solid var(--c-bg-2);
}
.price-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 12px;
  height: 12px;
  background: var(--c-vermilion);
  border-radius: 50%;
  opacity: .85;
}
.price-note {
  margin-top: 24px;
  font-size: 13px;
  color: var(--c-mute);
}

/* ---------- Flow ---------- */
.flow {
  background: var(--c-indigo);
  color: var(--c-bg);
}
.flow .section-title { color: #fff; }
.flow .section-eyebrow { color: #f0d9b5; }

.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.flow-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  background: rgba(248, 245, 240, 0.08);
  border-left: 3px solid var(--c-vermilion);
  padding: 22px 24px;
  border-radius: var(--radius);
}
.flow-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-vermilion);
  color: #fff;
  font-family: var(--f-serif);
  font-size: 22px;
  font-weight: 700;
}
.flow-step h3 {
  font-family: var(--f-serif);
  margin: 0 0 6px;
  font-size: 18px;
  color: #fff;
}
.flow-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(248, 245, 240, 0.9);
}

/* ---------- FAQ ---------- */
.faq {
  background: var(--c-bg);
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: box-shadow .2s ease;
}
.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--c-indigo);
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-indigo);
  list-style: none;
  position: relative;
  padding-right: 32px;
  outline: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--c-vermilion);
  transition: transform .2s;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item p {
  margin: 14px 0 0;
  color: var(--c-ink-soft);
  font-size: 15px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--c-bg-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 16px;
}
@media (min-width: 880px) {
  .contact-grid { grid-template-columns: 1.5fr 1fr; gap: 48px; }
}
.contact-form {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
@media (min-width: 768px) {
  .contact-form { padding: 36px 32px; }
}
.form-row {
  margin-bottom: 18px;
}
.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 14px;
  color: var(--c-ink);
}
.req {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  color: #fff;
  background: var(--c-vermilion);
  padding: 1px 8px;
  border-radius: 4px;
  font-weight: 500;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-family: var(--f-sans);
  font-size: 16px;
  background: var(--c-bg);
  transition: border-color .2s, background .2s;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--c-indigo);
  background: #fff;
}
.form-row textarea { resize: vertical; }
.form-privacy {
  font-size: 13px;
  color: var(--c-mute);
  margin: 6px 0 18px;
}

.contact-info {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  border-left: 4px solid var(--c-indigo);
}
.contact-info h3 {
  font-family: var(--f-serif);
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--c-indigo);
}
.contact-info h3:not(:first-child) { margin-top: 22px; }
.contact-email a {
  font-family: var(--f-serif);
  font-size: 18px;
  color: var(--c-vermilion);
  word-break: break-all;
}
.contact-info p { margin: 0; }
.contact-note {
  margin-top: 22px !important;
  font-size: 12px;
  color: var(--c-mute);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-ink);
  color: #c5beb4;
  padding: 56px 0 32px;
  font-size: 14px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
    align-items: start;
  }
}
.footer-brand .logo-text {
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: 0.2em;
  color: var(--c-bg);
}
.footer-brand p {
  margin: 8px 0 0;
  font-size: 13px;
  color: #a39c91;
}
.footer-nav ul,
.footer-legal ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-nav li,
.footer-legal li {
  margin-bottom: 8px;
}
.footer-nav a,
.footer-legal a {
  color: #c5beb4;
  font-size: 14px;
}
.footer-nav a:hover,
.footer-legal a:hover {
  color: #fff;
  opacity: 1;
}
.footer-copy {
  grid-column: 1 / -1;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #3a3a3a;
  font-size: 12px;
  color: #8b857a;
  text-align: center;
}

/* ---------- Legal pages ---------- */
.legal-main {
  padding: 56px 0 80px;
  background: var(--c-bg);
}
.legal-main h1 {
  font-family: var(--f-serif);
  font-size: 26px;
  color: var(--c-indigo);
  margin: 0 0 8px;
}
.legal-meta {
  font-size: 13px;
  color: var(--c-mute);
  margin: 0 0 36px;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 24px;
}
.legal-main h2 {
  font-family: var(--f-serif);
  font-size: 19px;
  color: var(--c-ink);
  margin: 32px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--c-vermilion);
}
.legal-main h3 {
  font-family: var(--f-serif);
  font-size: 16px;
  margin: 22px 0 8px;
  color: var(--c-ink);
}
.legal-main p,
.legal-main li {
  font-size: 15px;
  color: var(--c-ink-soft);
  line-height: 1.95;
}
.legal-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  background: #fff;
  border: 1px solid var(--c-line);
}
.legal-main table th,
.legal-main table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}
.legal-main table th {
  width: 32%;
  background: var(--c-bg-2);
  font-family: var(--f-serif);
  color: var(--c-indigo);
  font-weight: 700;
}
.legal-main table tr:last-child th,
.legal-main table tr:last-child td {
  border-bottom: none;
}
.legal-back {
  display: inline-block;
  margin-top: 32px;
  font-size: 14px;
  color: var(--c-indigo);
}
.legal-back::before {
  content: "← ";
}
.legal-disclaimer {
  margin-top: 40px;
  padding: 20px 22px;
  background: #fff7f0;
  border-left: 4px solid var(--c-vermilion);
  font-size: 13px;
  color: var(--c-ink-soft);
  border-radius: 4px;
}

/* ---------- A11y / Print ---------- */
:focus-visible {
  outline: 2px solid var(--c-vermilion);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}