/* =============================================================
   井之頭の診療所 — メインスタイルシート
   clinic.css  |  tokens.css と併用
   ============================================================= */

html, body { overflow-x: hidden; }

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 250, 246, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 29, 51, 0.06);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 32px; height: 32px;
  border: 1.5px solid var(--navy-800);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--navy-800);
  font-weight: 500;
}
.brand-name {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--navy-900);
}
.brand-name small {
  display: block;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
  margin-top: 2px;
  font-weight: 400;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  color: var(--ink-700);
  letter-spacing: 0.06em;
  transition: color .2s var(--ease);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--navy-800);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav-links a:hover { color: var(--navy-800); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-tel {
  display: none;
  font-size: 15px;
  font-family: var(--f-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy-800);
  padding: 8px 16px;
  border: 2px solid var(--navy-800);
  border-radius: var(--r-pill);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-tel::after { display: none !important; }
.nav-tel:hover {
  background: var(--navy-800);
  color: var(--tile-white) !important;
}
.nav-cta {
  font-size: 12px;
  padding: 10px 18px;
  border: 1px solid var(--navy-800);
  color: var(--navy-800);
  letter-spacing: 0.08em;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--navy-800); color: var(--tile-white) !important; }
.nav-hamburger { display: none; }
.nav-mobile-menu { display: none; }

/* ——— Hero ——— */
.hero {
  padding: 88px 0 96px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 80px; right: -120px;
  width: 420px; height: 420px;
  border: 1px solid var(--ink-200);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  top: 200px; right: -40px;
  width: 180px; height: 180px;
  border: 1px solid var(--navy-100);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: start;
}
.hero-lead { position: relative; z-index: 2; }
.hero-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-500);
  margin-bottom: 28px;
}
.hero-meta .dot {
  width: 4px; height: 4px;
  background: var(--navy-800);
  border-radius: 50%;
}
.hero h1 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 38px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  margin: 0 0 32px;
  color: #ffffff;
}
.hero h1 em {
  font-style: normal;
  color: var(--navy-800);
  position: relative;
  display: inline-block;
}
.hero h1 .hl {
  background: linear-gradient(transparent 70%, var(--oak-700) 70%);
  background-size: 0% 100%;
  background-repeat: no-repeat;
  background-position: left;
}
@keyframes hlSlideA {
  to { background-size: 100% 100%; }
}
.hero.do-anim .hl {
  animation: hlSlideA .6s cubic-bezier(.2,.7,.2,1) forwards;
  animation-delay: .5s;
}
.hero-sub {
  font-size: 15px;
  line-height: 2;
  color: #ffffff;
  max-width: 540px;
  margin: 0 0 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}
.btn-primary {
  display: inline-block;
  padding: 16px 32px;
  background: var(--navy-800);
  color: var(--tile-white);
  font-size: 13px;
  letter-spacing: 0.12em;
  transition: background .2s var(--ease);
}
.btn-primary:hover { background: var(--navy-900); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  color: var(--navy-800);
  font-size: 13px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--navy-800);
}
.btn-ghost:hover { color: var(--navy-900); border-color: var(--navy-900); }

/* Hero pull-quote */
.hero-quote {
  position: relative;
  padding: 40px 0 0 40px;
  border-left: 1px solid var(--ink-200);
  margin-top: 80px;
}
.hero-quote::before {
  content: "\201C";
  position: absolute;
  left: -8px;
  top: -20px;
  font-family: var(--f-serif);
  font-size: 80px;
  color: var(--navy-800);
  line-height: 1;
}
.hero-quote p {
  font-family: var(--f-serif);
  font-size: 18px;
  line-height: 2;
  color: var(--ink-900);
  margin: 0 0 24px;
  letter-spacing: 0.02em;
}
.hero-quote .attr {
  font-size: 12px;
  color: #ffffff;
  font-family: var(--f-mono);
  letter-spacing: 0.1em;
}

/* ——— Section: shared ——— */
.section-head {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  margin-bottom: 72px;
}
.section-head .label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--navy-800);
  padding-top: 12px;
  border-top: 1px solid var(--navy-800);
  align-self: start;
}
.section-head h2 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--navy-900);
  text-wrap: pretty;
}

/* ——— Section: Concept ——— */
.concept {
  padding: 120px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--ink-200);
  border-bottom: 1px solid var(--ink-200);
}
.concept-lead {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-700);
}
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--ink-200);
}
.concept-col {
  padding: 48px 40px;
  position: relative;
}
.concept-col + .concept-col { border-left: 1px solid var(--ink-200); }
.concept-col.vs-bad { background: var(--paper); }
.concept-col.vs-good { background: var(--paper); }
.concept-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  padding: 6px 12px;
  margin-bottom: 20px;
}
.vs-bad .concept-tag { color: var(--ink-500); border: 1px solid var(--ink-300); }
.vs-good .concept-tag { color: var(--tile-white); background: var(--navy-800); }
.concept-col h3 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 20px;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
  color: var(--navy-900);
}
.concept-col p {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0;
}
.vs-good h3 { color: var(--navy-800); }
.arrow-between {
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
  width: 28px; height: 28px;
  background: var(--navy-800);
  color: var(--tile-white);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px;
  z-index: 2;
}

/* ——— Section: Concept 2 ——— */
.concept2 {
  padding: 120px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--ink-200);
}
.concept2-cards {
  margin-top: 48px;
  border: 1px solid var(--ink-200);
}
.concept2-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--ink-200);
}
.concept2-card:last-child { border-bottom: none; }
.concept2-card-label {
  padding: 28px 32px;
  border-right: 1px solid var(--ink-200);
  background: var(--bg-alt);
  display: flex;
  align-items: flex-start;
}
.concept2-card-tag {
  display: inline-block;
  border: 1px solid var(--navy-800);
  color: var(--navy-800);
  font-family: var(--f-serif);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.concept2-card-body {
  padding: 28px 36px;
  background: var(--paper);
}
.concept2-card-body p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0;
}
.concept2-note {
  font-size: 12px;
  color: var(--ink-500);
  margin-top: 8px !important;
}
.concept2-close {
  margin-top: 32px;
  padding: 32px 40px;
  background: var(--bg-alt);
  border: 1px solid var(--ink-200);
}
.concept2-close p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0 0 12px;
}
.concept2-close p:last-child { margin-bottom: 0; }

/* ——— Section: Greeting ——— */
.greeting {
  padding: 120px 0;
  background: var(--bg-alt);
}
.greeting--paper {
  background: var(--paper);
  border-top: 1px solid var(--ink-200);
}
.greeting-grid {
  display: grid;
  grid-template-columns: 0.45fr 1.3fr;
  gap: 72px;
  align-items: start;
}
.greeting-portrait { align-self: start; }
.portrait-img { width: 100%; display: block; filter: brightness(1.1); }
.greeting-portrait .ph { aspect-ratio: 3/4; height: auto; }
.greeting-portrait .caption {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-500);
  letter-spacing: 0.12em;
  margin-top: 12px;
  text-transform: uppercase;
}
.greeting-body h2 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.6;
  margin: 0 0 32px;
  color: var(--navy-900);
}
.greeting-body p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-900);
  margin: 0 0 20px;
}
.greeting-body p.drop::first-letter {
  font-family: var(--f-serif);
  font-size: 56px;
  float: left;
  line-height: 0.9;
  padding: 4px 12px 0 0;
  color: var(--navy-800);
}
.greeting-sig {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--ink-200);
  font-family: var(--f-serif);
  font-size: 18px;
  color: var(--navy-900);
  letter-spacing: 0.1em;
}
.greeting-sig small {
  display: block;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-500);
  letter-spacing: 0.2em;
  margin-top: 4px;
}

/* Atopy story boxes */
.affiliation-notice {
  margin-top: 40px;
  border-left: 3px solid var(--navy-800);
  background: var(--paper);
  padding: 20px 24px;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.affiliation-notice-inner {
  display: flex;
  align-items: baseline;
  gap: 32px;
}
.affiliation-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--navy-800);
  white-space: nowrap;
}
.affiliation-notice p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-700);
  margin: 0;
}

.story-pair {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}
.atopy-story {
  padding: 40px;
  background: var(--paper);
  border: 1px solid var(--ink-200);
}
.atopy-story-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink-200);
}
.atopy-story-head h3 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 18px;
  margin: 0;
  color: var(--navy-900);
}
.atopy-story-head span {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-500);
  letter-spacing: 0.18em;
}
.story-media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.story-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.story-img--bright { filter: brightness(1.2); }
.story-media p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0;
}

/* ——— Section: Profile ——— */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.profile-name {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 24px;
  margin: 0 0 24px;
  color: var(--navy-900);
  letter-spacing: 0.04em;
}
.profile-name small {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-500);
  font-weight: 400;
  display: block;
  margin-top: 4px;
}
.career-list {
  margin: 0;
  font-size: 14px;
  line-height: 2;
}
.career-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--ink-200);
}
.career-row:last-child { border-bottom: 1px solid var(--ink-200); }
.career-row dt {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--navy-800);
  letter-spacing: 0.08em;
}
.career-row dd { margin: 0; color: var(--ink-900); }
.career-row--current dd { color: var(--ink-900); }
.cert-header {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--navy-800);
  padding-top: 12px;
  border-top: 1px solid var(--navy-800);
  margin-bottom: 24px;
  display: inline-block;
}
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cert-item {
  padding: 20px 24px;
  background: var(--paper);
  border: 1px solid var(--ink-200);
}
.cert-num {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
  margin-bottom: 6px;
}
.cert-name {
  font-family: var(--f-serif);
  font-size: 17px;
  color: var(--navy-900);
}

/* ——— Section: NAT ——— */
.nat {
  padding: 120px 0;
  background: var(--paper);
}
.nat-diagram {
  background: var(--bg-alt);
  border: 1px solid var(--ink-200);
  padding: 56px;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.nat-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--ink-300);
}
.nat-step {
  padding: 20px 24px;
  border-left: 2px solid transparent;
  margin-left: -1px;
  cursor: pointer;
  transition: all .3s var(--ease);
  position: relative;
}
.nat-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 28px;
  width: 9px; height: 9px;
  background: var(--ink-300);
  border-radius: 50%;
  transition: all .3s var(--ease);
}
.nat-step.active {
  border-left-color: var(--navy-800);
  background: var(--paper);
}
.nat-step.active::before {
  background: var(--navy-800);
  transform: scale(1.3);
}
.nat-step-num {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-500);
  margin-bottom: 6px;
}
.nat-step.active .nat-step-num { color: var(--navy-800); }
.nat-step-title {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 17px;
  color: var(--navy-900);
  margin-bottom: 6px;
}
.nat-step-desc {
  font-size: 13px;
  color: var(--ink-700);
  line-height: 1.9;
  margin-top: 8px;
}
.nat-visual {
  position: relative;
  aspect-ratio: 1/1;
  background: var(--paper);
  border: 1px solid var(--ink-200);
  padding: 32px;
  overflow: hidden;
}
.nat-visual svg { width: 100%; height: 100%; display: block; }
.nat-visual .layer-label {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--ink-700);
  background: var(--paper);
  border: 1px solid var(--ink-200);
  padding: 4px 8px;
}
.nat-visual .ll-skin  { top: 44px;  right: 32px; }
.nat-visual .ll-tissue { top: 140px; right: 32px; }
.nat-visual .ll-vessel { top: 260px; right: 32px; }

.nat-desc {
  margin-top: 48px;
}
.nat-desc > p {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0 0 28px;
}
.nat-aside {
  border-left: 3px solid var(--navy-800);
  background: var(--bg-alt);
  padding: 24px 32px;
  margin: 0 0 28px;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.nat-aside-label {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-800);
  margin-bottom: 10px;
}
.nat-aside p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0;
}

.nat-notice {
  border-left: 3px solid var(--navy-800);
  background: var(--bg-alt);
  padding: 24px 32px;
  margin: 0 0 28px;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.nat-notice p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0 0 16px;
}
.nat-notice p:last-child {
  margin-bottom: 0;
}
.nat-notice small {
  font-size: 12.5px;
  color: var(--ink-500);
}

/* ——— Section: Pillars ——— */
.pillars {
  padding: 120px 0;
  background: var(--bg);
  border-top: 1px solid var(--ink-200);
}
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink-200);
  border-left: 1px solid var(--ink-200);
}
.pillar {
  padding: 40px 32px;
  border-right: 1px solid var(--ink-200);
  border-bottom: 1px solid var(--ink-200);
  background: var(--paper);
  transition: background .3s var(--ease);
}
.pillar:hover { background: var(--bg-alt); }
.pillar-num {
  font-family: var(--f-serif);
  font-size: 32px;
  color: var(--navy-800);
  margin-bottom: 20px;
  display: block;
  font-style: italic;
}
.pillar h3 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 20px;
  margin: 0 0 16px;
  color: var(--navy-900);
  line-height: 1.6;
}
.pillar p {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-700);
  margin: 0 0 24px;
}
.pillar-more {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--navy-800);
  border-bottom: 1px solid var(--navy-800);
  padding-bottom: 2px;
}

/* ——— Section: Conditions ——— */
.conditions {
  padding: 96px 0;
  background: var(--navy-900);
  color: var(--tile-white);
}
.conditions .section-head h2 { color: var(--tile-white); }
.conditions .section-head .label {
  color: var(--oak-500);
  border-top-color: var(--oak-500);
}
.cond-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
}
.cond {
  padding: 28px 24px;
  background: var(--navy-900);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cond-name {
  font-family: var(--f-serif);
  font-size: 18px;
  color: var(--tile-white);
}
.cond-name-en {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(250,250,247,.5);
}
.cond-notes {
  margin-top: 48px;
  display: table;
  margin-left: auto;
  margin-right: auto;
}
.cond-note {
  font-size: 14px;
  color: rgba(250,250,247,.6);
  font-family: var(--f-mono);
  letter-spacing: 0.1em;
  text-align: left;
  margin: 0 0 10px;
}
.cond-note:last-child { margin-bottom: 0; }

/* ——— Section: Menu (B案カード) ——— */
.sec { padding: 120px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-paper { background: var(--paper); }
.sec-head { text-align: center; margin-bottom: 72px; }
.sec-head .eyebrow { display: block; margin-bottom: 16px; }
.sec-head h2 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 36px;
  margin: 0;
  letter-spacing: 0.02em;
  color: var(--navy-900);
  line-height: 1.5;
  text-wrap: balance;
}
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: var(--paper);
  border: 1px solid var(--ink-200);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.svc-head { display: flex; justify-content: space-between; align-items: baseline; }
.svc-num { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--ink-500); }
.svc-price { font-family: var(--f-serif); font-size: 24px; color: var(--navy-800); }
.svc-price small { font-size: 12px; color: var(--ink-500); margin-left: 4px; }
.svc-card h3 { font-family: var(--f-serif); font-weight: 500; font-size: 20px; margin: 0; color: var(--navy-900); }
.svc-card h3 small { display: block; font-family: var(--f-mono); font-size: 10px; color: var(--ink-500); letter-spacing: 0.14em; margin-top: 4px; }
.svc-card p { font-size: 13px; line-height: 1.9; color: var(--ink-700); margin: 0; flex: 1; }
.svc-card .time { padding: 10px 0; border-top: 1px solid var(--ink-200); font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--ink-500); display: flex; justify-content: space-between; }
.menu-notes {
  margin-top: 32px;
  display: table;
  margin-left: auto;
  margin-right: auto;
}
.menu-note {
  font-size: 14px;
  color: var(--ink-500);
  font-family: var(--f-mono);
  letter-spacing: 0.1em;
  text-align: left;
  margin: 0 0 10px;
}
.menu-note:last-child { margin-bottom: 0; }

/* ——— Section: Flow ——— */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink-200);
}
.flow-step {
  padding: 32px 24px;
  border-right: 1px solid var(--ink-200);
  background: var(--paper);
}
.flow-step:nth-child(3n) { border-right: none; }
.flow-step:nth-child(n+4) { border-top: 1px solid var(--ink-200); }
.flow-step:nth-child(even) { background: var(--bg-alt); }
.flow-num {
  font-family: var(--f-serif);
  font-size: 32px;
  color: var(--navy-800);
  font-style: italic;
  margin-bottom: 12px;
  line-height: 1;
}
.flow-step h3 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 16px;
  color: var(--navy-900);
  margin: 0 0 10px;
  line-height: 1.5;
}
.flow-step p {
  font-size: 12.5px;
  color: var(--ink-700);
  line-height: 1.9;
  margin: 0;
}
.flow-notes {
  margin-top: 24px;
  padding: 24px 32px;
  background: var(--bg-alt);
  border: 1px solid var(--ink-200);
}
.flow-notes-label {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--navy-800);
  margin-bottom: 16px;
  border-top: 1px solid var(--navy-800);
  padding-top: 12px;
  display: inline-block;
}
.flow-notes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-700);
  line-height: 2;
}
.flow-notes-grid p { margin: 0 0 8px; }
.flow-notes-grid p:last-child { margin-bottom: 0; }
.flow-notes strong { color: var(--navy-900); }

/* ——— Section: Calendar ——— */
.cal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.cal-grid > div { display: flex; flex-direction: column; }
.cal-legend {
  text-align: center;
  margin-top: 20px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-500);
  letter-spacing: 0.1em;
}
.cal-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 16px;
}
.cal-legend-item:last-child { margin-right: 0; }
.cal-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}
.cal-swatch--closed { background: #f8c8c8; }
.cal-swatch--today { outline: 2px solid var(--navy-800); }
.cal-month {
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: 4px;
  padding: 20px;
  height: 100%;
  box-sizing: border-box;
}
.cal-month-title {
  font-family: var(--f-serif);
  font-size: 15px;
  color: var(--navy-900);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 4px;
}
.cal-weekday {
  text-align: center;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}
.cal-weekday--weekend { color: #c0392b; }
.cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.cal-day {
  text-align: center;
  padding: 4px 2px;
  font-size: 11px;
  border-radius: 2px;
  background: var(--paper);
}
.cal-day--weekend { background: var(--bg-alt); }
.cal-day--closed { background: #f8c8c8; color: #c0392b; }
.cal-day--today { outline: 2px solid var(--navy-800); outline-offset: -2px; }

/* ——— Section: Access ——— */
.access {
  padding: 120px 0;
  background: var(--paper);
}
.access--alt { background: var(--bg-alt); }
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: stretch;
}
.map-col {
  display: flex;
  flex-direction: column;
}
.access-info h2 {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 24px;
  color: var(--navy-900);
}
.access-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--ink-200);
  font-size: 14px;
}
.access-row:last-child { border-bottom: 1px solid var(--ink-200); }
.access-row dt {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-500);
  padding-top: 3px;
}
.access-row dd { margin: 0; line-height: 1.9; color: var(--ink-900); }
.access-row dd a { color: var(--navy-800); }
.access-note { color: var(--ink-500); }
.map-iframe { border: 0; display: block; flex: 1; min-height: 360px; }

/* ——— Section: Booking ——— */
.book {
  background: var(--bg-alt);
  color: var(--navy-900);
  padding: 96px 0;
}
.book-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.book-lead { text-align: center; margin-bottom: 48px; }
.book-title {
  font-family: var(--f-serif);
  font-size: 36px;
  color: var(--navy-900);
  margin: 0 0 16px;
  font-weight: 500;
}
.book-desc {
  font-size: 14px;
  color: var(--ink-700);
  margin: 0;
}
.book-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.book-opt {
  background: var(--paper);
  padding: 32px;
  text-align: center;
  border: 1px solid var(--ink-200);
  transition: all .2s var(--ease);
}
.book-opt:hover {
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: var(--tile-white);
}
.book-opt:hover .n,
.book-opt:hover .t,
.book-opt:hover .d { color: var(--tile-white); }
.book-opt .n {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: .6;
  margin-bottom: 8px;
}
.book-opt .t {
  font-family: var(--f-serif);
  font-size: 22px;
  margin-bottom: 4px;
}
.book-opt .d {
  font-size: 11px;
  opacity: .7;
  line-height: 1.8;
}
.book-opt--soon {
  position: relative;
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}
.book-soon-badge {
  margin-top: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
}
.book-dl { text-align: center; margin-top: 48px; }
.book-dl-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

/* PDF download button */
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--navy-800);
  border: 1px solid var(--navy-800);
  padding: 12px 24px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.dl-btn:hover { background: var(--navy-800); color: var(--tile-white); }
.dl-btn:hover svg { stroke: var(--tile-white); }

/* ——— Footer ——— */
footer {
  padding: 64px 0 40px;
  background: var(--navy-900);
  color: rgba(250,250,247,.8);
  font-size: 12px;
}
.foot-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
footer h4 {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--oak-500);
  margin: 0 0 16px;
  font-weight: 500;
}
footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-soon { opacity: 0.45; font-size: inherit; }
footer a:hover { color: var(--tile-white); }
.foot-brand .brand-name {
  color: var(--tile-white);
  font-size: 20px;
  font-family: var(--f-serif);
  letter-spacing: 0.08em;
}
.foot-brand p { margin: 16px 0 0; line-height: 1.9; opacity: .7; max-width: 320px; }
.foot-brand > a { display: inline-block; margin-top: 12px; opacity: .7; }
.foot-brand > a:hover { opacity: 1; }
.foot-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  opacity: .5;
}


/* ——— Page Header (サブページ共通) ——— */
.page-header {
  padding: 72px 0 64px;
  background: var(--navy-900);
  color: var(--tile-white);
  position: relative;
  overflow: hidden;
}
.page-header--photo {
  background-image: url('../moss.jpg');
  background-size: cover;
  background-position: center;
}
.page-header--photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15, 29, 51, 0.55) 0%, rgba(15, 29, 51, 0) 100%);
}
.page-header--photo .page-header-inner {
  position: relative;
  z-index: 1;
}
.page-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.page-header h1 {
  font-family: var(--f-serif);
  font-size: 40px;
  font-weight: 500;
  color: var(--tile-white);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.page-header .page-lead {
  font-size: 14px;
  color: rgba(250,250,247,1);
  margin: 0;
  line-height: 1.9;
}

.page-hero {
  padding: 80px 0 64px;
  background: var(--navy-900);
  color: var(--tile-white);
}
.page-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.page-hero-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--oak-500);
  margin-bottom: 16px;
}
.page-hero h1 {
  font-family: var(--f-serif);
  font-size: 40px;
  font-weight: 500;
  color: var(--tile-white);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.page-hero-sub {
  font-size: 14px;
  color: rgba(250,250,247,1);
  margin: 0;
}

/* ——— FAQ ——— */
.faq {
  padding: 96px 0;
  background: var(--bg);
}
.faq-section {
  max-width: 800px;
  margin: 0 auto 64px;
}
.faq-section:last-child { margin-bottom: 0; }
.faq-section-label {
  font-family: var(--f-mono);
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--navy-800);
  margin: 0;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy-800);
}
.faq-item {
  border-top: 1px solid var(--ink-200);
}
.faq-item:first-of-type {
  border-top: none;
}
.faq-item:last-child {
  border-bottom: 1px solid var(--ink-200);
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--navy-900);
  gap: 16px;
  line-height: 1.6;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: '+';
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 300;
  color: var(--navy-800);
  font-family: var(--f-mono);
  transition: transform .25s var(--ease);
  line-height: 1;
}
details[open] > .faq-q::after {
  transform: rotate(45deg);
}
.faq-a {
  padding: 4px 32px 24px 0;
  font-size: 14px;
  color: var(--ink-700);
  line-height: 1.9;
  overflow: hidden;
}
.faq-dummy {
  display: inline-block;
  background: #FFF3CD;
  color: #856404;
  font-size: 11px;
  font-family: var(--f-mono);
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 10px;
}

/* ——— Contact Form ——— */
.contact {
  padding: 96px 0;
  background: var(--bg);
}
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}
.form-field {
  margin-bottom: 40px;
}
.form-label {
  display: block;
  font-family: var(--f-sans);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  margin-bottom: 10px;
  font-weight: 500;
}
.form-label .required {
  color: var(--navy-800);
  margin-left: 6px;
}
.form-label .optional {
  color: var(--ink-400);
  margin-left: 6px;
}
.form-input {
  display: block;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--ink-300);
  padding: 10px 0;
  font-family: var(--f-sans);
  font-size: 15px;
  color: var(--ink-900);
  outline: none;
  transition: border-color .2s var(--ease);
}
.form-input:focus { border-bottom-color: var(--navy-800); }
.form-input::placeholder { color: var(--ink-400); }
textarea.form-input {
  resize: vertical;
  min-height: 140px;
  line-height: 1.75;
  border: 1px solid var(--ink-300);
  padding: 12px 14px;
  background: var(--paper);
}
textarea.form-input:focus { border-color: var(--navy-800); }
.form-either {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
  padding: 20px 28px 28px;
  border: 1px solid var(--ink-200);
  background: var(--bg-alt);
}
.form-either-label {
  grid-column: 1 / -1;
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--navy-800);
  font-weight: 500;
  margin-bottom: 4px;
}
.form-either .form-field { margin-bottom: 0; }
.form-error {
  display: none;
  font-size: 12px;
  color: #c0392b;
  margin-top: 12px;
  font-family: var(--f-mono);
  letter-spacing: 0.04em;
}
.form-error.visible { display: block; }
.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--tile-white);
  background: var(--navy-800);
  border: 1px solid var(--navy-800);
  padding: 16px 40px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}
.form-submit:hover { background: var(--navy-900); border-color: var(--navy-900); }

/* =============================================================
   レスポンシブ — タブレット (max-width: 1024px)
   ============================================================= */
@media (max-width: 1024px) {

  /* Nav */
  .nav-inner { padding: 14px 24px; }
  .nav-links { gap: 20px; }

  /* Hero */
  .hero { padding: 64px 0 72px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 0 24px;
  }
  .hero-quote { margin-top: 0; }

  /* Section head */
  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }
  .section-head .label { border-top: none; padding-top: 0; border-left: 3px solid var(--navy-800); padding-left: 12px; }

  /* Greeting */
  .greeting { padding: 80px 0; }
  .greeting-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .greeting-portrait { max-width: 320px; }

  /* Story pair */
  .story-pair { grid-template-columns: 1fr 1fr; }

  /* Profile */
  .profile-grid { grid-template-columns: 1fr; gap: 48px; }

  /* Concept */
  .concept { padding: 80px 0; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-col + .concept-col { border-left: none; border-top: 1px solid var(--ink-200); }

  /* Concept 2 */
  .concept2 { padding: 80px 0; }
  .concept2-card { grid-template-columns: 160px 1fr; }
  .arrow-between {
    position: static;
    transform: none;
    margin: 0 auto -14px;
    display: flex;
    align-items: center;
    justify-content: center;
    rotate: 90deg;
  }

  /* NAT */
  .nat { padding: 80px 0; }
  .nat-diagram {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }
  .nat-visual { aspect-ratio: auto; height: 320px; }

  /* Conditions */
  .conditions { padding: 72px 0; }
  .cond-list { grid-template-columns: repeat(2, 1fr); }

  /* Menu */
  .sec { padding: 80px 0; }
  .svc-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Flow */
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(3n) { border-right: 1px solid var(--ink-200); }
  .flow-step:nth-child(2n) { border-right: none; }
  .flow-step:nth-child(n+4) { border-top: none; }
  .flow-step:nth-child(n+3) { border-top: 1px solid var(--ink-200); }

  /* Booking */
  .book { padding: 72px 0; }
  .book-options { grid-template-columns: 1fr; max-width: 480px; }

  /* Access */
  .access { padding: 80px 0; }
  .access-grid { grid-template-columns: 1fr; gap: 40px; }

  /* Footer */
  .foot-top { grid-template-columns: 1fr 1fr; gap: 40px; }

  /* FAQ */
  .faq { padding: 72px 0; }
  .page-hero h1 { font-size: 32px; }

  /* Contact */
  .contact { padding: 72px 0; }
  .form-either { grid-template-columns: 1fr; gap: 24px; }

  /* Font size — iPad共通 */
  .nat-visual .layer-label { font-size: 12px; }
  .svc-card h3 small { font-size: 12px; }
  .svc-card p { font-size: 15px; }
  .svc-card .time { font-size: 13px; }
  .book-opt .d { font-size: 13px; }
  .access-note { font-size: 14px; }
  .flow-step p { font-size: 14px; }
}

/* =============================================================
   レスポンシブ — モバイル (max-width: 767px)
   ============================================================= */
@media (max-width: 767px) {

  /* Nav — ハンバーガー */
  .nav-links { display: none; }
  .nav-mobile-menu { display: none; }
  .nav-inner { padding: 14px 20px; }
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
  }
  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--navy-800);
    transition: all .3s var(--ease);
  }
  /* open state — 全画面ネイビー */
  .nav.open {
    position: fixed;
    inset: 0;
    background: var(--navy-900);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: fsIn .3s var(--ease) both;
    overflow: hidden;
    z-index: 40;
  }
  @keyframes fsIn {
    from { opacity: 0; transform: scale(.98); }
    to   { opacity: 1; transform: scale(1); }
  }
  .nav.open .nav-inner {
    position: absolute;
    top: 0; left: 0; right: 0;
    display: flex;
    justify-content: center;
    padding: 24px 20px;
    border-bottom: none;
    max-width: 100%;
    margin: 0;
  }
  .nav.open .nav-inner .brand-mark {
    border-color: rgba(250,250,247,.4);
    color: var(--tile-white);
  }
  .nav.open .nav-inner .brand-name { color: var(--tile-white); }
  .nav.open .nav-inner .brand-name small { color: rgba(250,250,247,.5); }
  .nav.open .nav-hamburger {
    position: absolute;
    top: 20px; right: 20px;
  }
  .nav.open .nav-hamburger span { background: var(--tile-white); }
  /* hamburger → × */
  .nav.open .nav-hamburger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.open .nav-hamburger span:nth-child(2) { opacity: 0; }
  .nav.open .nav-hamburger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .nav.open .nav-mobile-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .nav.open .nav-mobile-menu a {
    font-family: var(--f-serif);
    font-size: 18px;
    color: rgba(250,250,247,.85);
    letter-spacing: 0.08em;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
    width: 220px;
    text-align: center;
    transition: color .2s var(--ease);
  }
  .nav.open .nav-mobile-menu a:hover { background: var(--navy-800); color: var(--tile-white); }
  .nav.open .nav-mobile-menu a:first-child { border-top: 1px solid rgba(255,255,255,.1); }
  .nav.open .nav-mobile-menu .nav-tel {
    display: block !important;
    border: none;
    border-radius: 0;
    color: rgba(250,250,247,.85);
    font-family: var(--f-serif);
    font-size: 18px;
    font-weight: normal;
    padding: 18px 0;
    letter-spacing: 0.08em;
  }
  .nav.open .nav-mobile-menu .nav-cta {
    margin-top: 28px;
    width: 220px;
    text-align: center;
    padding: 14px 0;
    border: 1px solid rgba(250,250,247,.5);
    color: var(--tile-white);
    background: transparent;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
  }

  /* Hero */
  .hero { padding: 56px 0 64px; }
  .hero h1 { font-size: 26px; }
  .hero-sub { font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  /* Section head */
  .section-head h2 { font-size: 26px; }

  /* Greeting */
  .greeting { padding: 64px 0; }
  .greeting-body h2 { font-size: 22px; }

  /* Concept */
  .concept { padding: 64px 0; }
  .concept-col { padding: 32px 24px; }
  .concept-col h3 { font-size: 20px; }

  /* Concept 2 */
  .concept2 { padding: 64px 0; }
  .concept2-card { grid-template-columns: 1fr; }
  .concept2-card-label { border-right: none; border-bottom: 1px solid var(--ink-200); padding: 16px 20px; }
  .concept2-card-body { padding: 20px 24px; }
  .concept2-close { padding: 24px; }

  /* NAT */
  .nat { padding: 64px 0; }
  .nat-diagram { padding: 24px; }
  .nat-visual { height: 280px; }

  /* Conditions */
  .cond-list { grid-template-columns: 1fr; }

  /* Menu */
  .sec { padding: 64px 0; }
  .sec-head h2 { font-size: 26px; }

  /* Flow */
  .flow-steps { grid-template-columns: 1fr; }
  .flow-step { border-right: none; border-top: 1px solid var(--ink-200); }
  .flow-step:first-child { border-top: none; }
  .flow-step:nth-child(even) { background: var(--paper); }
  .flow-notes-grid { gap: 0; }

  /* Booking */
  .book { padding: 64px 0; }
  .book-title { font-size: 24px; }

  /* Access */
  .access { padding: 64px 0; }
  .access-row { grid-template-columns: 96px 1fr; gap: 16px; }

  /* Footer */
  .foot-top { grid-template-columns: 1fr; gap: 32px; }
  .foot-bottom { flex-direction: column; gap: 8px; }

  /* FAQ */
  .faq { padding: 56px 0; }
  .page-hero { padding: 56px 0 48px; }
  .page-hero h1 { font-size: 28px; }
  .faq-section-title { font-size: 18px; }
  .faq-q { font-size: 14px; }

  /* Contact */
  .contact { padding: 56px 0; }
  .form-either { grid-template-columns: 1fr; gap: 20px; padding: 24px 20px; }

  /* Font size — モバイル追加 */
  .flow-step p { font-size: 15px; }
  .flow-notes-grid { font-size: 15px; }
  .greeting-portrait .caption { font-size: 13px; }
  .concept2-card-body p { font-size: 15px; }
  .concept2-close p { font-size: 15px; }
  .nat-desc > p { font-size: 16px; }
  .nat-aside p { font-size: 15px; }
  .nat-aside-label { font-size: 15px; }
  .nat-notice p { font-size: 15px; }
  .nat-notice small { font-size: 14px; }

  /* Story pair — 1列 */
  .story-pair { grid-template-columns: 1fr; }

  /* Affiliation notice — 縦積み */
  .affiliation-notice-inner { flex-direction: column; gap: 8px; }

  /* NAT layer labels — モバイル位置調整 */
  .nat-visual .ll-skin   { top: 30px;  right: 16px; }
  .nat-visual .ll-tissue { top: 110px; right: 16px; }
  .nat-visual .ll-vessel { top: 220px; right: 16px; }

  /* Overflow fix */
  .nav-links { display: none; }
  .cal-grid { display: block; }
  .cal-grid > div { margin-bottom: 16px; }
  .cal-grid > div:last-child { margin-bottom: 0; }
}

/* NAT reel video */
.nat-reel-wrap {
  padding-bottom: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.nat-reel-wrap video {
  max-width: 360px;
  width: 100%;
  border-radius: 12px;
}
.nat-reel-wrap .reel-caption {
  font-size: 14px;
  letter-spacing: 0.1em;
}

/* Back-now hover card */
.back-now-trigger {
  position: relative;
  display: block;
  margin-top: 20px;
  border-top: 1px solid var(--ink-200);
  padding-top: 16px;
  width: 100%;
}
.back-now-link {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--oak-700);
  border-bottom: 1px dashed var(--oak-500);
  cursor: default;
  padding-bottom: 1px;
}
.back-now-card {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  width: 220px;
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: 8px;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity .22s var(--ease), transform .22s var(--ease);
  z-index: 10;
}
.back-now-trigger:hover .back-now-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-now-card img {
  width: 100%;
  border-radius: 6px;
  display: block;
}
.back-now-card p {
  font-size: 11px;
  color: var(--ink-500);
  line-height: 1.8;
  margin: 8px 0 0;
}