/* ================================================================
   医療法人社団 吉本歯科医院 — Stylesheet
   Inspired by 星のや京都 (Hoshinoya Kyoto)
   Quiet, editorial, generous whitespace, refined typography
================================================================== */

:root{
  --bg:        #FAFAF6;       /* warm off-white */
  --bg-alt:    #F4F1EA;       /* deeper cream */
  --bg-deep:   #1A1A1A;       /* footer / hero accent */
  --ink:       #1A1A1A;       /* primary text */
  --ink-mid:   #4A4642;       /* mid text */
  --ink-sub:   #8C857C;       /* warm gray subtle */
  --accent:    #3D2A2D;       /* deep aubergine / 紫紺 */
  --accent-soft:#5C434A;
  --line:      #DCD6C6;       /* hairline */
  --line-soft: #ECE7DA;

  --serif:    "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans:     "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --num:      "Inter", "Helvetica Neue", -apple-system, sans-serif;
  --en:       "Cormorant Garamond", "Times New Roman", serif;

  --container: 1180px;
  --reading:   620px;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
body{
  font-family: var(--sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 2.0;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media (max-width: 768px){
  body{ font-size: 14px; line-height: 1.95; letter-spacing: .03em; }
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
p{ margin: 0 0 1.6em; }
p:last-child{ margin-bottom: 0; }

.wrap{ width: min(var(--container), 92%); margin: 0 auto; }
.reading{ width: min(var(--reading), 88%); margin: 0 auto; }
.mid{ width: min(880px, 92%); margin: 0 auto; }

/* ─── Section padding (massive whitespace) ─── */
section{ padding: 160px 0; }
@media (max-width: 768px){ section{ padding: 96px 0; } }

/* ───────────────────────────────────────────────
   Header
─────────────────────────────────────────────── */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,250,246, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand{
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand__ja{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: .12em;
}
.brand__en{
  font-family: var(--en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-sub);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-top: 4px;
}
.site-nav ul{
  list-style: none;
  display: flex;
  gap: 36px;
}
.site-nav a{
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .15em;
  position: relative;
  padding: 4px 0;
  transition: color .25s;
}
.site-nav a::after{
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: all .3s;
}
.site-nav a:hover{ color: var(--accent); }
.site-nav a:hover::after{ left: 0; width: 100%; }
.header-tel{
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  transition: all .25s;
}
.header-tel:hover{ background: var(--ink); color: var(--bg); }
.hamburger{
  display: none;
  background: none;
  border: none;
  width: 32px; height: 32px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.hamburger span{
  display: block;
  width: 24px;
  height: 1px;
  background: var(--ink);
}
@media (max-width: 960px){
  .site-header__inner{ padding: 14px 20px; }
  .site-nav, .header-tel{ display: none; }
  .hamburger{ display: flex; }
  .brand__ja{ font-size: 14px; }
  .brand__en{ font-size: 10px; }
}

/* ───────────────────────────────────────────────
   Hero — typographic, full viewport
─────────────────────────────────────────────── */
.hero{
  min-height: 100vh;
  padding: 200px 0 120px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}
.hero__inner{
  max-width: 720px;
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}
.hero__eyebrow{
  display: inline-block;
  font-family: var(--en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .35em;
  color: var(--accent);
  margin-bottom: 56px;
  position: relative;
}
.hero__eyebrow::before, .hero__eyebrow::after{
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin: 0 18px;
  opacity: .6;
}
.hero__title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 6.5vw, 72px);
  line-height: 1.55;
  letter-spacing: .15em;
  color: var(--ink);
  margin-bottom: 64px;
}
.hero__title span{
  display: block;
  margin-bottom: 0.05em;
}
.hero__divider{
  width: 1px;
  height: 56px;
  background: var(--line);
  margin: 0 auto 56px;
}
.hero__lead{
  font-family: var(--sans);
  font-size: 14px;
  line-height: 2.4;
  color: var(--ink-mid);
  letter-spacing: .15em;
  margin-bottom: 64px;
}
.hero__cta{
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
@media (max-width: 768px){
  .hero{ min-height: auto; padding: 140px 0 96px !important; }
  .hero__title{ font-size: 32px; line-height: 1.65; letter-spacing: .12em; margin-bottom: 48px; }
  .hero__eyebrow{ font-size: 11px; letter-spacing: .25em; margin-bottom: 40px; }
  .hero__eyebrow::before, .hero__eyebrow::after{ width: 20px; margin: 0 10px; }
  .hero__lead{ font-size: 13px; line-height: 2.2; letter-spacing: .1em; margin-bottom: 48px; }
  .hero__divider{ height: 40px; margin-bottom: 40px; }
}

/* ───────────────────────────────────────────────
   Buttons (minimal, refined)
─────────────────────────────────────────────── */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 40px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .2em;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn:hover{
  background: var(--ink);
  color: var(--bg);
}
.btn--filled{
  background: var(--ink);
  color: var(--bg);
}
.btn--filled:hover{
  background: var(--accent);
  border-color: var(--accent);
}
.btn--ghost{
  border-color: var(--line);
  color: var(--ink-mid);
}
.btn--ghost:hover{
  background: var(--ink-mid);
  border-color: var(--ink-mid);
  color: var(--bg);
}
.btn .arrow{
  font-family: var(--num);
  font-weight: 400;
  font-size: 16px;
}
@media (max-width: 768px){
  .btn{ padding: 16px 28px; font-size: 12px; letter-spacing: .15em; }
}

/* ───────────────────────────────────────────────
   Section labels (一・二・三...)
─────────────────────────────────────────────── */
.section-num{
  font-family: var(--serif);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: .5em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 16px;
  display: block;
}
.section-num::after{
  content: "";
  display: block;
  width: 1px;
  height: 32px;
  background: var(--accent);
  margin: 18px auto 0;
  opacity: .5;
}
.section-eyebrow{
  font-family: var(--en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--ink-sub);
  text-align: center;
  margin-bottom: 28px;
  display: block;
}
.section-title{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.6;
  letter-spacing: .1em;
  color: var(--ink);
  text-align: center;
  margin-bottom: 56px;
}
.section-title small{
  display: block;
  font-size: 0.45em;
  font-weight: 500;
  color: var(--ink-sub);
  letter-spacing: .15em;
  margin-top: 18px;
}
@media (max-width: 768px){
  .section-title{ font-size: 24px; line-height: 1.7; letter-spacing: .08em; margin-bottom: 40px; }
}

/* ───────────────────────────────────────────────
   Concept section (story / philosophy)
─────────────────────────────────────────────── */
.concept{
  background: var(--bg);
}
.concept__body{
  max-width: 600px;
  margin: 0 auto;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 17px;
  line-height: 2.4;
  letter-spacing: .12em;
  color: var(--ink-mid);
  text-align: center;
}
.concept__body p + p{ margin-top: 2em; }
@media (max-width: 768px){
  .concept__body{ font-size: 14px; line-height: 2.2; letter-spacing: .08em; }
}

/* ───────────────────────────────────────────────
   Practice (services)
─────────────────────────────────────────────── */
.practice{
  background: var(--bg-alt);
}
.practice__list{
  list-style: none;
  max-width: 720px;
  margin: 0 auto;
}
.practice__list > li{
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.practice__list > li:last-child{ border-bottom: none; }
.practice__num{
  font-family: var(--en);
  font-style: italic;
  font-size: 14px;
  letter-spacing: .15em;
  color: var(--accent);
}
.practice__name{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: .12em;
  color: var(--ink);
  margin-bottom: 10px;
  display: block;
}
.practice__desc{
  font-size: 13px;
  line-height: 2.0;
  color: var(--ink-sub);
  letter-spacing: .06em;
}
@media (max-width: 768px){
  .practice__list > li{ grid-template-columns: 60px 1fr; gap: 20px; padding: 28px 0; }
  .practice__name{ font-size: 18px; letter-spacing: .08em; }
  .practice__desc{ font-size: 13px; line-height: 1.95; }
}

/* ───────────────────────────────────────────────
   Director (院長メッセージ)
─────────────────────────────────────────────── */
.director{
  background: var(--bg);
  text-align: center;
}
.director__quote{
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 2.2;
  letter-spacing: .12em;
  color: var(--ink);
  max-width: 640px;
  margin: 0 auto 56px;
  position: relative;
  padding: 0 32px;
}
.director__quote::before, .director__quote::after{
  font-family: var(--serif);
  font-size: 2em;
  color: var(--accent);
  opacity: .35;
  line-height: 1;
}
.director__quote::before{
  content: "「";
  position: absolute;
  left: -8px;
  top: -16px;
}
.director__quote::after{
  content: "」";
  position: absolute;
  right: -8px;
  bottom: -8px;
}
.director__sign{
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: .25em;
  color: var(--ink-mid);
}
.director__sign small{
  display: block;
  font-family: var(--en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-sub);
  letter-spacing: .25em;
  margin-bottom: 8px;
  text-transform: uppercase;
}
@media (max-width: 768px){
  .director__quote{ font-size: 18px; line-height: 2.1; letter-spacing: .08em; padding: 0 16px; }
}

/* ───────────────────────────────────────────────
   Strengths (3 features)
─────────────────────────────────────────────── */
.strengths{
  background: var(--bg-alt);
}
.strengths__grid{
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  max-width: 1080px;
  margin: 0 auto;
  border: 1px solid var(--line);
}
.strengths__grid > li{
  background: var(--bg);
  padding: 56px 32px 48px;
  text-align: center;
}
.strength__label{
  font-family: var(--en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--accent);
  margin-bottom: 24px;
  display: block;
}
.strength__head{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.7;
  letter-spacing: .1em;
  color: var(--ink);
  margin-bottom: 20px;
}
.strength__head .num{
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0;
}
.strength__body{
  font-size: 13px;
  line-height: 2.0;
  color: var(--ink-sub);
  letter-spacing: .04em;
}
@media (max-width: 768px){
  .strengths__grid{ grid-template-columns: 1fr; }
  .strengths__grid > li{ padding: 40px 24px 36px; }
  .strength__head{ font-size: 20px; }
}

/* ───────────────────────────────────────────────
   Visit / Access (hours, address, map)
─────────────────────────────────────────────── */
.visit{
  background: var(--bg);
}
.visit__inner{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1080px;
  margin: 0 auto;
  align-items: start;
}
.visit__info{
  max-width: 480px;
}
.visit__schedule{
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
}
.visit__schedule thead th{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .15em;
  padding: 14px 4px;
  text-align: center;
  color: var(--ink-mid);
  border-bottom: 1px solid var(--ink);
}
.visit__schedule thead th:first-child{
  text-align: left;
  width: 28%;
}
.visit__schedule tbody th{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 14px;
  text-align: left;
  padding: 22px 4px;
  letter-spacing: .1em;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.visit__schedule tbody th .time{
  display: block;
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink-mid);
  letter-spacing: 0;
  margin-top: 4px;
}
.visit__schedule tbody td{
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 18px;
  text-align: center;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.visit__schedule tbody td.off{
  color: var(--line);
  font-weight: 300;
}
.visit__schedule tbody td.partial{
  color: var(--accent);
}
.visit__schedule-note{
  font-size: 12px;
  color: var(--ink-sub);
  letter-spacing: .04em;
  line-height: 1.95;
  margin-bottom: 56px;
}
.visit__schedule-note small{
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--ink-sub);
}
.visit__list{
  list-style: none;
  margin-bottom: 48px;
}
.visit__list > li{
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.85;
}
.visit__list > li:first-child{ border-top: 1px solid var(--line-soft); }
.visit__list dt{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--ink-mid);
}
.visit__list dd{
  color: var(--ink);
  letter-spacing: .04em;
}
.visit__list dd a{
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--ink);
}
.visit__map{
  width: 100%;
  height: 560px;
  background: var(--bg-alt);
  overflow: hidden;
}
.visit__map iframe{ width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 960px){
  .visit__inner{ grid-template-columns: 1fr; gap: 56px; }
  .visit__map{ height: 380px; }
  .visit__schedule tbody td{ font-size: 16px; padding: 18px 2px; }
  .visit__schedule tbody th .time{ font-size: 11px; }
  .visit__list > li{ grid-template-columns: 80px 1fr; gap: 12px; }
}

/* ───────────────────────────────────────────────
   Bottom CTA
─────────────────────────────────────────────── */
.bottom-cta{
  background: var(--bg-deep);
  color: var(--bg);
  text-align: center;
  padding: 140px 0;
}
.bottom-cta .section-eyebrow{ color: var(--bg); opacity: .5; }
.bottom-cta .section-title{ color: var(--bg); margin-bottom: 24px; }
.bottom-cta__sub{
  font-family: var(--sans);
  font-size: 14px;
  line-height: 2.0;
  color: var(--bg);
  opacity: .7;
  letter-spacing: .08em;
  max-width: 540px;
  margin: 0 auto 48px;
}
.bottom-cta .btn{
  border-color: var(--bg);
  color: var(--bg);
}
.bottom-cta .btn:hover{
  background: var(--bg);
  color: var(--ink);
}
.bottom-cta__tel{
  display: block;
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: .04em;
  color: var(--bg);
  margin: 32px 0 16px;
}
.bottom-cta__hours{
  font-size: 12px;
  color: var(--bg);
  opacity: .6;
  letter-spacing: .1em;
}
@media (max-width: 768px){
  .bottom-cta{ padding: 96px 0; }
}

/* ───────────────────────────────────────────────
   Footer
─────────────────────────────────────────────── */
.site-footer{
  background: var(--bg);
  padding: 80px 0 56px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-mid);
}
.site-footer__inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}
.site-footer__brand{
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--ink);
  margin-bottom: 12px;
}
.site-footer__addr{
  font-size: 12px;
  line-height: 1.95;
  color: var(--ink-sub);
  letter-spacing: .04em;
}
.site-footer__addr a{
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: .02em;
}
.site-footer__copy{
  font-family: var(--en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-sub);
  letter-spacing: .25em;
  text-transform: uppercase;
}
@media (max-width: 768px){
  .site-footer{ padding: 64px 0 40px; }
  .site-footer__inner{ padding: 0 20px; flex-direction: column; }
}

/* ───────────────────────────────────────────────
   Floating tel (mobile fallback)
─────────────────────────────────────────────── */
.floating-tel{
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: 0 4px 18px rgba(40,30,20,.25);
}
.floating-tel span{
  font-size: 9px;
  letter-spacing: .1em;
  margin-top: 2px;
}
@media (max-width: 960px){
  .floating-tel{ display: flex; }
}

/* ───────────────────────────────────────────────
   Reduced motion
─────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; animation: none !important; }
  html{ scroll-behavior: auto; }
}