/* =========================================================
   岩波歯科医院 — デザインサンプル
   Surface: Decide / Learn（来院判断のための情報設計）
   Palette: 和紙 × 緑青 × 真鍮
   ========================================================= */

/* ---------- tokens ---------- */
:root {
  --paper:      #fbf9f4;
  --paper-2:    #f4efe4;
  --white:      #ffffff;
  --ink:        #1a2320;
  --ink-soft:   #47534f;
  --ink-mute:   #6b7570;
  --line:       #e2ddd1;
  --line-soft:  #eeeadf;
  --green:      #24564e;
  --green-deep: #123029;
  --green-tint: #e7efec;
  --gold:       #a8823c;
  --closed:     #ab6a55;

  --font-serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "HiraMinProN-W6", "Noto Serif JP", serif;
  --font-sans:  "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", "Meiryo", sans-serif;

  --shell:     1180px;
  --gutter:    clamp(20px, 5vw, 48px);
  --header-h:  78px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  word-break: auto-phrase;
  text-wrap: pretty;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, ol, dl, dd, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--green);
  color: var(--paper);
  font-size: 14px;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.shell--narrow { max-width: 880px; }

.section {
  padding-block: clamp(72px, 9vw, 132px);
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.section--paper  { background: var(--paper); }
.section--white  { background: var(--white); }
.section--sand   { background: var(--paper-2); }

.section--ink {
  background: var(--green-deep);
  color: #eef3f1;
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(251, 249, 244, 0);
  transition: background .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(251, 249, 244, .96);
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -26px rgba(18, 48, 41, .5);
}
.site-header__inner {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
}
.site-header__inner > .brand { justify-self: start; }
.site-header__inner > .site-nav { justify-self: center; }
.site-header__inner > .header-tel { justify-self: end; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand__mark {
  color: var(--green);
  width: 34px;
  height: 34px;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name {
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: .14em;
  font-weight: 600;
}
.brand__sub {
  font-size: 9px;
  letter-spacing: .18em;
  color: var(--ink-mute);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  font-size: 13.5px;
  letter-spacing: .06em;
}
.site-nav a {
  position: relative;
  padding-block: 6px;
  color: var(--ink-soft);
  transition: color .25s var(--ease);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { transform: scaleX(1); }

.header-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
  padding-left: clamp(12px, 2vw, 26px);
  border-left: 1px solid var(--line);
}
.header-tel__label { font-size: 10px; letter-spacing: .12em; color: var(--ink-mute); }
.header-tel__number {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--green);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(48px, 8vw, 104px));
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 18%, rgba(36, 86, 78, .07) 0%, rgba(36, 86, 78, 0) 46%),
    radial-gradient(circle at 72% 78%, rgba(168, 130, 60, .08) 0%, rgba(168, 130, 60, 0) 40%),
    radial-gradient(rgba(26, 35, 32, .055) 1px, transparent 1px);
  background-size: auto, auto, 22px 22px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 70%, transparent 100%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}
.eyebrow__line {
  display: block;
  width: 34px;
  height: 1px;
  background: var(--gold);
}

.hero__title {
  margin-top: 22px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.25rem, 4.6vw, 3.9rem);
  line-height: 1.42;
  letter-spacing: .04em;
}
.hero__title-em {
  position: relative;
  color: var(--green);
}
.hero__title-em::after {
  content: "";
  position: absolute;
  left: -.04em; right: -.04em; bottom: .06em;
  height: .16em;
  background: linear-gradient(to right, rgba(168, 130, 60, .5), rgba(168, 130, 60, .08) 78%, transparent);
  z-index: -1;
}

.hero__lead {
  margin-top: 26px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 2.05;
  color: var(--ink-soft);
}

.hero__actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 15px;
  letter-spacing: .06em;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn__icon { width: 18px; height: 18px; flex: none; }
.btn__icon--end { transition: transform .25s var(--ease); }

.btn--primary {
  background: var(--green);
  color: #f7fbf9;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: .08em;
}
.btn--primary:hover { background: var(--green-deep); transform: translateY(-2px); }

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.btn--ghost:hover .btn__icon--end { transform: translate(2px, -2px); }

.hero__note {
  margin-top: 22px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}

/* hero visual */
.hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 18px;
}
.hero__vertical {
  position: absolute;
  right: -26px;
  top: 4px;
  font-size: 9.5px;
  letter-spacing: .42em;
  color: #7b857f;
  writing-mode: vertical-rl;
  opacity: .9;
}

.today-card {
  width: min(100%, 340px);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 26px 26px 22px;
  box-shadow: 0 26px 60px -44px rgba(18, 48, 41, .55);
}
.today-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ink-mute);
}
.dot-live {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(168, 130, 60, .16);
}
.today-card__date {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-soft);
}
.today-card__time {
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--green);
}
.today-card__time.is-closed { color: var(--closed); font-size: 27px; }
.today-card__meta {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.week-dots {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.week-dots li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--ink-mute);
}
.week-dots li::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--line);
}
.week-dots li.is-open { color: var(--ink); }
.week-dots li.is-open::after { background: var(--green); }
.week-dots li.is-today span {
  font-weight: 700;
  color: var(--green);
  border-bottom: 1px solid var(--green);
  padding-bottom: 1px;
}
.week-dots li.is-today::after {
  width: 9px; height: 9px;
  margin-bottom: -1.5px;
  box-shadow: 0 0 0 3px var(--green-tint);
}
/* 祝日は診療日でも休診なのでドットを閉じた色に戻す */
.week-dots li.is-today.is-holiday::after { background: var(--line); }
.week-dots li.is-today.is-holiday span { color: var(--closed); border-bottom-color: var(--closed); }

.hero__visual-caption {
  width: min(100%, 340px);
  text-align: right;
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: .05em;
  color: var(--ink-mute);
}
.hero__visual-caption span { color: var(--closed); }

/* ---------- facts band ---------- */
.facts {
  border-block: 1px solid var(--line);
  background: var(--paper);
}
.facts__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.fact {
  padding: 26px 20px;
  border-left: 1px solid var(--line-soft);
}
.fact:first-child { border-left: 0; padding-left: 0; }
.fact__label {
  font-size: 11px;
  letter-spacing: .16em;
  color: #5f6a65;
}
.fact__value {
  margin-top: 6px;
  font-family: var(--font-serif);
  font-size: 16.5px;
  letter-spacing: .06em;
}

/* ---------- section head ---------- */
.section-head { max-width: 40em; }
.section-head__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
}
.section-head__label::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  opacity: .7;
}
.section-head__label--light { color: #c8a86a; }
.section-head__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  line-height: 1.4;
  letter-spacing: .06em;
}
.section-head__title--light { color: #f2f6f4; }
.section-head__lead {
  margin-top: 18px;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
}

/* ---------- treatment ---------- */
.treatment-list { margin-top: clamp(38px, 5vw, 64px); }

.treatment {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(12px, 2.4vw, 32px);
  padding-block: 30px;
  border-top: 1px solid var(--line);
  transition: background .3s var(--ease);
}
.treatment:last-child { border-bottom: 1px solid var(--line); }

.treatment__num {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--ink-mute);
  padding-top: 10px;
  transition: color .3s var(--ease);
}
.treatment__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.9vw, 1.42rem);
  letter-spacing: .06em;
}
.treatment__text {
  margin-top: 12px;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 2;
  color: #3f4b47;
}
.treatment__tag {
  align-self: start;
  margin-top: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.treatment:hover .treatment__num { color: var(--green); }
.treatment:hover .treatment__tag { border-color: var(--green); color: var(--green); }

/* ---------- about ---------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(32px, 5vw, 68px);
}
.about__visual {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: end;
  gap: 12px;
}
.about__frame {
  margin: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 6px;
  background: var(--paper-2);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .3);
}
.about__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about__frame--small { aspect-ratio: 1 / 1; }

.about__quote {
  margin-top: 26px;
  max-width: 17em;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.85;
  letter-spacing: .06em;
  color: #f4f8f6;
  text-wrap: balance;
}
.about__text {
  margin-top: 20px;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 2.05;
  color: rgba(238, 243, 241, .78);
}
.about__meta {
  margin-top: 34px;
  border-top: 1px solid rgba(238, 243, 241, .16);
}
.about__meta > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding-block: 13px;
  border-bottom: 1px solid rgba(238, 243, 241, .11);
  font-size: 13.5px;
}
.about__meta dt { color: rgba(238, 243, 241, .5); letter-spacing: .1em; }
.about__meta dd { color: #f0f5f3; min-width: 0; line-height: 1.7; }
/* 氏名リンク（新しいタブで日本矯正歯科学会の名簿を開く） */
.about__meta .about__link {
  display: inline;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(210, 183, 120, .7);
  text-decoration-thickness: 1px;
  text-underline-offset: .24em;
  transition: color .25s var(--ease), text-decoration-color .25s var(--ease);
}
.about__meta .about__link:hover,
.about__meta .about__link:focus-visible {
  color: #e6cd9a;
  text-decoration-color: #e6cd9a;
}
.about__meta .about__link-icon {
  display: inline-block;
  margin-left: .18em;
  font-size: .78em;
  line-height: 1;
  color: rgba(210, 183, 120, .9);
  transform: translateY(-.15em);
}
.about__meta .is-pending { color: rgba(238, 243, 241, .45); font-size: 12.5px; }

/* ---------- hours table ---------- */
.table-wrap {
  margin-top: clamp(32px, 4vw, 52px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.hours-table {
  width: 100%;
  min-width: 640px;
  background: var(--white);
  border: 1px solid var(--line);
}
.hours-table th,
.hours-table td {
  padding: 18px 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  border-left: 1px solid var(--line-soft);
}
.hours-table th:first-child,
.hours-table td:first-child {
  border-left: 0;
  text-align: left;
  padding-left: 20px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--ink-mute);
  background: var(--paper);
  white-space: nowrap;
}
.hours-table thead th {
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: .08em;
  background: var(--paper);
}
.hours-table tbody th[scope="row"] { font-family: var(--font-sans); }
.hours-table tbody tr + tr th,
.hours-table tbody tr + tr td { border-top: 1px solid var(--line-soft); }
.hours-table tbody th span {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--ink-mute);
}
.hours-table .mark { display: inline-block; color: var(--green); font-size: 14px; }
.hours-table td span { display: inline-block; }
.hours-table td em { font-style: normal; margin-inline: 2px; color: var(--ink-mute); }
.hours-table .is-closed { color: var(--closed); font-size: 13px; letter-spacing: .08em; }

/* today highlight */
.hours-table th.is-today,
.hours-table td.is-today {
  background: var(--green-tint);
  color: var(--green-deep);
  font-weight: 600;
}
.hours-table thead th.is-today { box-shadow: inset 0 3px 0 var(--green); }

.hours-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--ink-mute);
  letter-spacing: .04em;
}

/* ---------- access ---------- */
.access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
}
.access__address {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.9;
  letter-spacing: .06em;
}
.route-list {
  margin-block: 28px 30px;
  border-top: 1px solid var(--line);
}
.route-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "line walk" "station walk";
  align-items: center;
  gap: 2px 16px;
  padding-block: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.route-list__line {
  grid-area: line;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-mute);
}
.route-list__station {
  grid-area: station;
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: .06em;
}
.route-list__walk {
  grid-area: walk;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green);
  border: 1px solid var(--green-tint);
  background: var(--green-tint);
  padding: 6px 12px;
  border-radius: 999px;
}

.map-art {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.map-art__road {
  position: absolute;
  background: var(--white);
  box-shadow: 0 0 0 1px rgba(226, 221, 209, .9);
}
.map-art__road--h { left: -5%; right: -5%; top: 42%; height: 26px; }
.map-art__road--v { top: -5%; bottom: -5%; left: 58%; width: 20px; }
.map-art__road--d {
  top: 66%; left: -12%; right: -12%;
  height: 12px;
  transform: rotate(-20deg);
  transform-origin: center;
}
.map-art__pin {
  position: absolute;
  left: 58%; top: 42%;
  transform: translate(-50%, -100%);
  width: 34px; height: 34px;
  color: var(--green);
  background: var(--white);
  border-radius: 50% 50% 50% 2px;
  rotate: -45deg;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px -12px rgba(18, 48, 41, .5);
}
.map-art__pin svg { width: 18px; height: 18px; rotate: 45deg; }
.map-art__label {
  position: absolute;
  left: 58%; top: calc(42% + 14px);
  transform: translateX(-50%);
  padding: 4px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: .08em;
  white-space: nowrap;
}

/* ---------- steps ---------- */
.steps {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.step {
  background: var(--paper-2);
  padding: 30px 24px 34px;
}
.step__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}
.step__title {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .05em;
}
.step__text {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}
.panel-note {
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: .04em;
}

/* ---------- faq ---------- */
.faq { margin-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
  position: relative;
  padding: 22px 44px 22px 0;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: .05em;
  cursor: pointer;
  list-style: none;
  transition: color .25s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 6px; top: 50%;
  width: 11px; height: 11px;
  margin-top: -6px;
  border-right: 1.4px solid var(--ink-soft);
  border-bottom: 1.4px solid var(--ink-soft);
  transform: rotate(45deg);
  transition: transform .3s var(--ease), border-color .25s var(--ease);
}
.faq__item[open] summary { color: var(--green); }
.faq__item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: -2px;
  border-color: var(--green);
}
.faq__item summary:hover { color: var(--green); }
.faq__item p {
  padding: 0 44px 26px 0;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
  animation: faqIn .28s var(--ease) both;
}
@keyframes faqIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- cta ---------- */
.cta {
  background: var(--green);
  color: #f4f9f7;
  padding-block: clamp(56px, 7vw, 92px);
}
.cta__inner { text-align: center; }
.cta__lead {
  font-size: 13.5px;
  letter-spacing: .16em;
  color: rgba(244, 249, 247, .8);
}
.cta__tel {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  letter-spacing: .06em;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  padding-bottom: 6px;
  transition: border-color .3s var(--ease);
}
.cta__tel:hover { border-color: #fff; }
.cta__hours {
  margin-top: 20px;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: rgba(244, 249, 247, .75);
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding-top: clamp(44px, 5vw, 64px);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(20px, 4vw, 56px);
  align-items: start;
  padding-bottom: clamp(32px, 4vw, 48px);
}
.site-footer__name {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: .14em;
}
.site-footer__sub {
  margin-top: 4px;
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--ink-mute);
}
.site-footer__info {
  font-size: 12.5px;
  line-height: 2;
  color: var(--ink-soft);
}
.site-footer__info a { color: var(--green); }
.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.site-footer__nav a:hover { color: var(--green); }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 18px 22px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px;
  color: var(--ink-mute);
}

/* ---------- mobile bar ---------- */
.mobile-bar { display: none; }

.demo-badge {
  position: fixed;
  left: 14px;
  bottom: 14px;
  z-index: 90;
  padding: 6px 12px;
  background: rgba(26, 35, 32, .78);
  color: #f5f2e9;
  font-size: 10.5px;
  letter-spacing: .14em;
  border-radius: 999px;
}

/* ---------- マイナ保険証 ---------- */
.myna-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(34px, 4.4vw, 52px);
}

.myna-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.myna-card__art {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 10px 18px;
  background: var(--paper-2);
  border-radius: 8px;
}

.myna-card__art img {
  display: block;
  width: 100%;
  max-width: 236px;
  height: auto;
}

.myna-card__title {
  margin-top: 20px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink);
}

.myna-card__text {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.myna-note {
  margin-top: clamp(20px, 2.6vw, 28px);
  font-size: 12.5px;
  line-height: 2;
  color: var(--ink-mute);
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 1024px) {
  .site-nav { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { align-items: flex-start; }
  .hero__vertical { display: none; }
  .hero__visual-caption { text-align: left; }
  .about { grid-template-columns: 1fr; }
  .access { grid-template-columns: 1fr; }
  .access__map { order: -1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  :root { --header-h: 66px; }

  body { font-size: 15px; padding-bottom: 68px; }

  .brand__name { font-size: 17px; letter-spacing: .1em; }
  .brand__sub { display: none; }
  .header-tel { padding-left: 0; border-left: 0; }
  .header-tel__label { display: none; }
  .header-tel__number { font-size: 16px; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero__title { font-size: clamp(1.95rem, 8.2vw, 2.6rem); line-height: 1.5; }
  .hero__lead { font-size: 14.5px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__actions .btn--ghost { min-height: 48px; }

  .today-card { width: 100%; }

  .facts__grid { grid-template-columns: 1fr 1fr; }
  .fact { padding: 20px 16px; border-left: 0; border-top: 1px solid var(--line-soft); }
  .fact:nth-child(odd) { padding-left: 0; }
  .fact:nth-child(even) { border-left: 1px solid var(--line-soft); padding-left: 16px; }

  .treatment { grid-template-columns: 1fr; gap: 10px; padding-block: 24px; }
  .treatment__num { padding-top: 0; }
  .treatment__tag { margin-top: 4px; justify-self: start; }

  .steps { grid-template-columns: 1fr; }

  /* モバイルでは2枚を同じ比率・同じ高さにそろえて段差をなくす */
  .about__visual { grid-template-columns: 1fr 1fr; gap: 10px; align-items: stretch; }
  .about__frame { aspect-ratio: 4 / 5; }

  .about__meta > div { grid-template-columns: 84px 1fr; gap: 12px; font-size: 13px; }

  .myna-list { grid-template-columns: 1fr; }
  .myna-card__art img { max-width: 220px; }

  /* 8曜日＋時間帯の列が 390px に収まるよう詰める */
  .hours-table { min-width: 0; }
  .hours-table th,
  .hours-table td { padding: 12px 2px; font-size: 12.5px; }
  .hours-table thead th { font-size: 12px; letter-spacing: .04em; }
  .hours-table th:first-child,
  .hours-table td:first-child { padding-left: 10px; font-size: 11.5px; letter-spacing: .04em; }
  .hours-table tbody th span { font-size: 9.5px; letter-spacing: 0; }
  .hours-table .mark { font-size: 11px; }
  .hours-table .is-closed { font-size: 11px; letter-spacing: 0; }

  .faq__item summary { font-size: 15px; padding-right: 34px; }
  .faq__item p { padding-right: 0; }

  .site-footer__bottom { flex-direction: column; gap: 6px; padding-bottom: 26px; }

  .mobile-bar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 95;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line);
  }
  .mobile-bar__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 60px;
    background: var(--paper);
    font-size: 14px;
    letter-spacing: .06em;
  }
  .mobile-bar__btn svg { width: 18px; height: 18px; }
  .mobile-bar__btn--tel {
    background: var(--green);
    color: #f6faf8;
    font-family: var(--font-serif);
    font-size: 15px;
  }

  .demo-badge { bottom: 68px; }
}

@media (max-width: 700px) {
  /* 医院名と番号がぶつかる幅では、ヘッダーの電話を外して下部バーに一本化 */
  .header-tel { display: none; }
  .demo-badge { display: none; }
}

@media (max-width: 420px) {
  .hero__title { letter-spacing: .02em; }
  .today-card__time { font-size: 29px; }
}

/* ---------- motion / print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mobile-bar, .demo-badge, .cta { display: none; }
  body { background: #fff; }
  .reveal { opacity: 1; transform: none; }
}